Health

Foods to Avoid to Prevent Psoriatic Arthritis Flare-Ups

6. Dairy Products Certain dairy products, particularly those made from cow’s milk, contain proteins such as casein and whey that may provoke immune responses in some… Alina Yasinskaya - August 19, 2025

Psoriatic arthritis is an autoimmune condition affecting over 1.5 million people in the United States, impacting both the joints and the immune system. Managing this chronic disease can be challenging, especially due to unpredictable flare-ups triggered by various factors, including diet. Recent research highlights the significant role of nutrition in either alleviating or exacerbating symptoms. Understanding which foods may provoke inflammatory responses is crucial for those seeking to minimize joint pain, swelling, and other debilitating effects associated with psoriatic arthritis flare-ups.

1. Red Meat

1. Red Meat
A juicy, perfectly seared steak sits atop a rustic plate, symbolizing the connection between red meat and inflammation. | Generated by Google Gemini

Red meat, including beef, pork, and lamb, is high in saturated fats, which are known to stimulate the body’s inflammatory pathways. Research has shown that diets rich in red meat can elevate inflammatory markers such as C-reactive protein (CRP), contributing to worsened symptoms in people with psoriatic arthritis. A study published in Nutrients highlighted that individuals consuming higher amounts of red meat tend to experience greater inflammation compared to those following plant-based or Mediterranean diets, which emphasize lean proteins and whole foods. To help prevent flare-ups, it is advisable to limit red meat intake to occasional servings, opting instead for alternatives like fish, poultry, legumes, and plant-based proteins. If you do consume red meat, choosing lean cuts and smaller portions can further reduce the potential for inflammation. Incorporating more vegetables, whole grains, and healthy fats into your diet can help counterbalance the negative effects of saturated fats. For additional guidance, the Arthritis Foundation recommends focusing on an anti-inflammatory diet as part of an overall strategy to manage psoriatic arthritis.

2. Processed Meats

2. Processed Meats
A tempting assortment of processed meats, including savory sausages and slices of ham, arranged on a rustic board. | Generated by Google Gemini

Processed meats, such as sausages, hot dogs, bacon, and deli meats, are often loaded with nitrates, nitrites, and various preservatives designed to extend shelf life and enhance flavor. These additives have been linked to increased inflammation in the body, a particular concern for those with psoriatic arthritis. According to the World Health Organization, regular consumption of processed meats is a known risk factor not only for chronic diseases like cancer and cardiovascular disease, but also for inflammatory conditions. The pro-inflammatory effects are believed to stem from the combination of unhealthy fats, high sodium content, and chemical preservatives. For individuals with psoriatic arthritis, these factors may intensify joint pain and swelling, exacerbating flare-ups. Healthier protein alternatives include fresh poultry, fish rich in omega-3 fatty acids, or plant-based options such as lentils, beans, and tofu. These choices provide essential nutrients without the inflammatory risks associated with processed meats. For more information on making anti-inflammatory dietary choices, the Arthritis Foundation’s guide offers practical tips on incorporating healthier proteins into your meals.

3. Fried Foods

3. Fried Foods
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Fried foods, including items like French fries, fried chicken, and doughnuts, are typically cooked in oils at high temperatures, resulting in the formation of unhealthy trans fats. These trans fats are notorious for promoting inflammation and increasing the risk of chronic diseases, which can worsen psoriatic arthritis symptoms. According to the Harvard T.H. Chan School of Public Health, trans fats not only raise bad cholesterol (LDL) but also lower good cholesterol (HDL), compounding their negative impact on overall health and inflammation. Comparatively, baked alternatives use little or no added fat and do not undergo the same chemical changes that occur during frying, making them a healthier choice for those aiming to reduce inflammation. Swapping fried foods for baked, grilled, or steamed options can significantly lower your intake of trans fats and saturated fats, helping to manage joint pain and reduce the frequency of flare-ups. Using healthy oils, such as olive or avocado oil, and exploring air-frying as a lower-fat method can also make a difference. For more on healthier cooking techniques, visit the Arthritis Foundation’s cooking tips.

4. Refined Sugar

4. Refined Sugar
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Refined sugars, commonly found in candies, pastries, soda, and many processed foods, can trigger inflammation by causing rapid spikes in blood glucose and insulin levels. This metabolic response promotes the release of pro-inflammatory cytokines, which may aggravate the symptoms of psoriatic arthritis. A study published in Nutrients highlights that high-sugar diets are associated with increased inflammatory markers and a greater risk of chronic diseases. In contrast, naturally sweet foods like fruits provide fiber, vitamins, and antioxidants, which help moderate blood sugar levels and reduce inflammation. While fruit sugars are bound within the food’s natural structure, refined sugars are absorbed quickly, leading to more significant metabolic disruptions. To minimize flare-ups, it is essential to monitor added sugars by carefully reading nutrition labels for ingredients such as high fructose corn syrup, cane sugar, or glucose. The Centers for Disease Control and Prevention (CDC) recommends keeping added sugar intake as low as possible to support overall health. Substituting refined sugars with naturally sweet foods or using small amounts of honey or maple syrup can also help manage inflammation.

5. Soda and Sugary Drinks

5. Soda and Sugary Drinks
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Sugar-sweetened beverages, including soda, energy drinks, and sweetened teas, are among the leading contributors to added sugar in modern diets. Consuming these drinks has been directly linked to systemic inflammation, which can worsen psoriatic arthritis symptoms. Research published in Nutrients demonstrates that frequent intake of sugary beverages is associated with elevated inflammatory markers and an increased risk of developing inflammatory diseases. In contrast, water is free of sugars, calories, and additives, making it the healthiest choice for hydration and supporting joint health. While soda causes spikes in blood sugar and insulin—both of which trigger inflammatory responses—water helps maintain the body’s natural balance and can even aid in flushing out toxins. When choosing beverages, it is important to carefully review ingredient lists for hidden sources of sugar, such as high fructose corn syrup, glucose, and sucrose. The CDC recommends reducing intake of sugar-sweetened beverages as a key step in lowering inflammation and supporting overall health. Switching to water, herbal teas, or naturally flavored sparkling water can help limit sugar intake and reduce the likelihood of flare-ups.

6. Dairy Products

6. Dairy Products
A rustic assortment of dairy delights, including creamy milk and a selection of cheeses, arranged on a farmhouse table. | Generated by Google Gemini

Certain dairy products, particularly those made from cow’s milk, contain proteins such as casein and whey that may provoke immune responses in some individuals with psoriatic arthritis. These proteins can stimulate the immune system and potentially lead to increased inflammation and joint discomfort. According to the Arthritis Foundation, while not everyone with psoriatic arthritis is sensitive to dairy, some people report a noticeable reduction in symptoms after eliminating or reducing dairy intake. Non-dairy alternatives, such as almond, soy, oat, or coconut milk, provide similar textures and flavors but lack the inflammatory proteins found in traditional dairy. Additionally, many non-dairy products are fortified with calcium and vitamin D, making them a nutritious substitute. For those considering a change, it is advisable to gradually replace dairy products with non-dairy alternatives to monitor the body’s response and ensure nutritional needs are met. Reading labels to choose minimally processed, unsweetened non-dairy options can further optimize your anti-inflammatory diet. For more information on the impact of dairy on arthritis and tips for substitution, visit the Arthritis Foundation.

7. Gluten-Containing Foods

7. Gluten-Containing Foods
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Gluten, a protein found in wheat, barley, and rye, can trigger inflammatory responses in individuals who are sensitive, including some people with psoriatic arthritis. While not everyone with this condition is affected by gluten, studies suggest that those with both psoriatic arthritis and gluten sensitivity may experience worse symptoms after consuming gluten-containing foods. According to research published in Nutrients, adopting a gluten-free diet can lead to decreased inflammation and symptom improvement in certain cases. Gluten-free grains such as rice, quinoa, millet, and buckwheat provide excellent alternatives to traditional wheat-based products, offering similar taste and texture without the inflammatory potential. Making the switch involves replacing regular bread, pasta, and baked goods with certified gluten-free options and incorporating naturally gluten-free whole grains into your meals. It is important to read ingredient labels carefully, as gluten can appear in unexpected foods and sauces. For more practical advice and recipes, the Celiac Disease Foundation provides comprehensive resources for those considering a gluten-free lifestyle. Gradually substituting gluten-containing foods can help you monitor how your body responds while ensuring balanced nutrition.

8. Nightshade Vegetables

8. Nightshade Vegetables
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Nightshade vegetables, which include tomatoes, potatoes, eggplants, and peppers, have sparked debate regarding their impact on joint pain and inflammation in conditions like psoriatic arthritis. These vegetables contain alkaloids, such as solanine, which some believe may contribute to inflammation and exacerbate joint discomfort in sensitive individuals. However, scientific evidence remains inconclusive, and many people tolerate nightshades without issue. Despite this, anecdotal reports suggest that a subset of people with autoimmune diseases notice symptom improvement after eliminating nightshades from their diet. In typical Western diets, nightshades are widely used in dishes such as pasta sauces, salads, stir-fries, and casseroles, making them a staple for many. If you suspect nightshades may be aggravating your symptoms, consider trying an elimination diet—removing all nightshade vegetables for several weeks and then gradually reintroducing them while monitoring for changes in joint pain or swelling. It is important to do this under the guidance of a healthcare provider or a registered dietitian to ensure nutritional adequacy. For more details on nightshades and autoimmune conditions, see the Arthritis Foundation’s guide on the subject.

9. Alcohol

9. Alcohol
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Alcohol consumption can negatively impact immune function and contribute to heightened inflammation, making it a potential trigger for psoriatic arthritis flare-ups. Regular or excessive drinking disrupts the balance of cytokines—messenger proteins that regulate immune responses—potentially worsening joint pain and swelling. The Arthritis Foundation notes that excessive alcohol intake is associated with more severe arthritis symptoms and may reduce the effectiveness of some medications used to manage the condition. In contrast, moderate alcohol consumption (such as an occasional glass of wine) may have a less pronounced effect, though individual sensitivity varies. People with psoriatic arthritis should be especially mindful of alcohol’s potential to trigger flares, as well as its interaction with medications like methotrexate, which can increase the risk of liver damage. Practicing mindful consumption includes limiting alcohol to special occasions, always monitoring your body’s response, and discussing with your healthcare provider how alcohol may fit into your overall management plan. For further guidance, the Centers for Disease Control and Prevention (CDC) provides resources on safe drinking limits and the health risks associated with alcohol use.

10. High-Salt Foods

10. High-Salt Foods
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High-salt foods are increasingly recognized for their role in activating the immune system and potentially aggravating inflammatory conditions such as psoriatic arthritis. Excess sodium intake can stimulate inflammatory cells and promote the production of pro-inflammatory cytokines, leading to increased joint pain and swelling in susceptible individuals. A study in Frontiers in Immunology highlights the connection between sodium consumption and heightened autoimmunity. Processed foods—such as canned soups, salty snacks, fast food, and frozen dinners—tend to be much higher in sodium compared to home-cooked meals, which can be prepared with minimal salt. Choosing to cook at home allows you to control the amount of salt used and to incorporate flavorful herbs and spices as alternatives. It is important to read nutrition labels carefully, as sodium can be hidden in sauces, condiments, and packaged foods. The Centers for Disease Control and Prevention (CDC) recommends aiming for less than 2,300 milligrams of sodium per day for most adults. By becoming more aware of sodium content and opting for fresh, whole foods, you can better manage inflammation and reduce the risk of psoriatic arthritis flare-ups.

11. Artificial Sweeteners

11. Artificial Sweeteners
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Artificial sweeteners, such as aspartame, sucralose, and saccharin, are widely used as sugar substitutes in diet sodas, sugar-free snacks, and low-calorie desserts. Emerging research suggests that these sweeteners may alter the gut microbiome—the community of bacteria essential for immune regulation and inflammation control. A landmark study published in Nature found that artificial sweeteners can disrupt gut microbial balance, potentially promoting inflammation and negatively impacting autoimmune conditions like psoriatic arthritis. In comparison, natural sweeteners such as honey, maple syrup, or stevia may be less likely to disturb gut bacteria when used sparingly, though they still contribute to total sugar intake. Moderation is key, as both artificial and natural sweeteners can affect metabolic health if consumed in excess. For those managing psoriatic arthritis, it may be beneficial to limit the use of artificial sweeteners and opt for whole, naturally sweet foods like fruit to satisfy cravings. Reading ingredient labels and being mindful of where these additives appear in your diet is important. For more information on artificial sweeteners and their effects on health, visit the Harvard T.H. Chan School of Public Health Nutrition Source.

12. Fast Food

12. Fast Food
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Fast food meals frequently combine several inflammation-promoting ingredients, including refined sugars, unhealthy fats, high sodium, and processed meats. This combination can significantly contribute to systemic inflammation and exacerbate psoriatic arthritis symptoms. Studies, such as those highlighted in Frontiers in Immunology, associate frequent consumption of fast food with elevated inflammatory markers and increased risk for autoimmune flare-ups. In contrast, home-cooked meals offer greater control over ingredient quality and portion sizes, allowing you to prioritize anti-inflammatory foods like lean proteins, whole grains, and fresh produce. While take-out and restaurant meals are often convenient, they are more likely to contain hidden sugars, unhealthy oils, and excess salt, all of which can undermine efforts to manage joint pain and inflammation. Planning and preparing meals at home—even simple dishes—enables you to avoid the common dietary triggers found in fast food. Batch cooking, meal prepping, and keeping healthy snacks on hand can make it easier to stick to a nutritious eating plan. For meal planning resources and recipe inspiration, the Arthritis Foundation’s healthy eating guide is a helpful place to start for those managing psoriatic arthritis.

13. Pastries and Baked Goods

13. Pastries and Baked Goods
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Pastries and commercially produced baked goods—such as muffins, cookies, cakes, and croissants—often contain a combination of refined flour, excessive sugar, and trans fats, all of which are known to fuel inflammation. Refined flour lacks fiber and essential nutrients, causing rapid spikes in blood sugar, while added sugars and hydrogenated oils further amplify systemic inflammation. According to the Harvard T.H. Chan School of Public Health, trans fats are particularly harmful for cardiovascular and joint health, making store-bought baked goods a significant concern for individuals with psoriatic arthritis.

Homemade treats, on the other hand, allow for healthier ingredient choices such as whole-grain flours, natural sweeteners, and healthy fats like olive oil or avocado. By baking at home, you can control both the quality and quantity of each ingredient, resulting in a lower inflammatory potential. Experimenting with recipes that incorporate nuts, seeds, fruits, and spices not only boosts flavor and nutrition but also supports joint health. For inspiration on arthritis-friendly baking, visit the Arthritis Foundation’s healthy baking swaps guide, which offers tips on making classic treats more suitable for an anti-inflammatory diet.

14. Margarine

14. Margarine
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Margarine, especially varieties made with partially hydrogenated oils, is a significant source of artificial trans fats—compounds linked to elevated inflammatory markers and increased risk of chronic disease. Trans fats found in these spreads can raise levels of C-reactive protein (CRP), a key indicator of inflammation, and have been shown to disrupt normal immune responses in conditions like psoriatic arthritis. According to the U.S. Food & Drug Administration (FDA), eliminating trans fats from processed foods is crucial for reducing inflammation and supporting cardiovascular and joint health.

While some people believe margarine is a healthier alternative to butter, many types—especially older or cheaper brands—contain trans fats that are more detrimental than the saturated fats in butter. Plant-based spreads made from olive oil, avocado oil, or canola oil offer a healthier choice, as they are typically free from trans fats and rich in anti-inflammatory unsaturated fats. When choosing spreads, always read the nutrition labels and ingredient lists carefully to avoid products that list “partially hydrogenated oils.” For more tips on selecting healthy fats and spreads, visit the Arthritis Foundation’s guide to healthy fats.

15. Ice Cream

15. Ice Cream
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Ice cream is a popular dessert, but its high content of refined sugar and saturated dairy fats can make it problematic for those managing psoriatic arthritis. The combination of sugar and fat in traditional ice cream can trigger spikes in blood sugar and increase inflammatory processes in the body, potentially worsening joint pain and swelling. According to the Arthritis Foundation, excessive consumption of sugary, high-fat dairy products may contribute to systemic inflammation and negatively impact autoimmune conditions.

Healthier frozen alternatives, such as low-sugar frozen yogurt or fruit-based sorbet, offer a lighter option with less saturated fat and fewer inflammatory triggers. Many fruit sorbets are dairy-free and made primarily from pureed fruit, providing antioxidants and vitamins while helping to satisfy a sweet craving. Even with healthier choices, portion control remains important, as excess sugar can still promote inflammation. When enjoying ice cream or its alternatives, stick to small servings and savor the treat mindfully. For more information on making better dessert choices with arthritis, visit the Arthritis Foundation’s healthy desserts guide.

16. Cheese

16. Cheese
A tempting cheese platter showcases an assortment of creamy dairy delights, perfectly paired with fresh fruits and rustic crackers. | Generated by Google Gemini

Cheese is a concentrated source of saturated fats, which can promote inflammation and may be especially concerning for individuals with psoriatic arthritis. In addition to its fat content, cheese contains casein and other dairy proteins that can trigger immune reactivity in some people, potentially leading to joint discomfort or flare-ups. The Arthritis Foundation highlights that while not everyone with psoriatic arthritis is sensitive to cheese, those who are may notice increased symptoms after consumption.

There are notable differences between hard cheeses (such as cheddar, parmesan, and gouda) and soft cheeses (like brie, feta, and ricotta). Hard cheeses are generally higher in saturated fat and sodium, which can further exacerbate inflammation, while soft cheeses tend to have slightly lower fat content and a milder protein profile. For individuals who are sensitive to dairy, even small amounts of cheese can be problematic. Moderation is key—limiting portion sizes and choosing lower-fat or plant-based cheese alternatives can help reduce inflammatory risk. If you suspect cheese may be a trigger, consider tracking your dietary intake and symptoms or experimenting with dairy-free options. For more dietary tips, visit the Arthritis Foundation’s dairy guide.

17. White Bread

17. White Bread
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White bread is made from refined wheat flour that has been stripped of its fiber, vitamins, and minerals, resulting in a product that causes rapid spikes in blood sugar levels. This quick rise in blood glucose can trigger the body’s inflammatory processes, potentially worsening psoriatic arthritis symptoms. According to research in the Journal of Inflammation Research, diets high in refined grains like white bread are linked to increased markers of inflammation and a higher risk of chronic disease.

Whole grain bread, on the other hand, retains the bran, germ, and endosperm, thereby providing more fiber, antioxidants, and phytonutrients. These nutrients help regulate blood sugar and reduce inflammation, making whole grain alternatives a healthier choice for those with psoriatic arthritis. Transitioning from white bread to whole grain varieties can be made easier by gradually introducing whole grain products into your meals, such as whole wheat, rye, or multigrain breads. Reading labels to ensure you’re choosing breads labeled “100% whole grain” is also important. For further guidance on making healthy bread choices, visit the Arthritis Foundation’s bread guide.

18. Candy

18. Candy
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Candy is packed with concentrated sugars, artificial colors, and additives that can trigger inflammatory responses in the body, making it a concern for those with psoriatic arthritis. The rapid absorption of simple sugars from candy causes spikes in insulin and blood glucose, which in turn can elevate levels of pro-inflammatory cytokines. Studies, such as those cited by the journal Nutrients, highlight a strong association between high sugar intake and increased inflammation, as well as a greater risk of flare-ups in people with autoimmune conditions.

In contrast, naturally sweet snacks like fresh fruit, dried fruit without added sugars, or a small handful of nuts provide nutrients, fiber, and antioxidants that help moderate blood sugar and curb inflammation. These whole-food options satisfy sweet cravings while delivering vitamins and minerals beneficial for joint and immune health. To reduce the impact of candy on inflammation, it is advisable to minimize its consumption or save it for occasional treats. Replacing candy with healthier alternatives and gradually reducing your intake can help lower inflammation and improve overall well-being. For more practical tips on limiting added sugars, visit the CDC’s sugar guidelines.

19. Flavored Yogurts

19. Flavored Yogurts
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Flavored yogurts often contain significant amounts of added sugars, artificial flavors, and sometimes even food colorings, all of which can contribute to systemic inflammation and potentially worsen psoriatic arthritis flare-ups. Some flavored yogurts pack as much sugar as a candy bar, undermining their reputation as a healthy snack. According to the Centers for Disease Control and Prevention (CDC), consuming foods high in added sugars can increase inflammation and the risk of chronic disease.

Plain yogurt, particularly unsweetened Greek or natural varieties, is a much better choice for those managing inflammation. These yogurts provide beneficial probiotics, protein, calcium, and vitamins without the negative impact of added sugars and artificial ingredients. By selecting plain unsweetened yogurt and adding your own fresh fruit, nuts, or a drizzle of honey, you can control both the flavor and the nutritional profile of your snack. Always check nutrition labels, as some “low-fat” or “light” yogurts may have added sugars to compensate for flavor. For more on making healthy yogurt choices and understanding food labels, visit the Arthritis Foundation’s guide to yogurt.

20. Crackers and Snack Foods

20. Crackers and Snack Foods
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Packaged crackers and snack foods are often made from refined starches and unhealthy fats, such as partially hydrogenated oils, which can contribute to systemic inflammation—a major concern for those with psoriatic arthritis. These snacks may also contain high levels of sodium and artificial additives, further increasing the risk of triggering flare-ups. According to the Harvard T.H. Chan School of Public Health, consuming products high in refined grains and trans fats is linked to elevated inflammatory markers and a greater risk of chronic health problems.

In contrast, whole-food snacks like fresh vegetables with hummus, fruit, plain popcorn, or a handful of nuts provide nutrients, fiber, and healthy fats that help regulate inflammation and support overall health. These alternatives also help maintain stable blood sugar levels and reduce the likelihood of inflammatory spikes associated with processed snack foods. When shopping, look for minimally processed options with short ingredient lists and no added trans fats or excessive sodium. For more snack ideas and guidance on reading labels, explore the Arthritis Foundation’s guide to healthy snacks, which is tailored to support joint health and lower inflammation.

21. Pizza

21. Pizza
A mouthwatering spread of classic cheese and pepperoni pizzas, each slice bubbling with golden, melted cheese and savory toppings. | Generated by Google Gemini

Pizza is a beloved comfort food, but it frequently combines several ingredients known to drive inflammation—cheese, processed meats (such as pepperoni or sausage), and a refined flour crust. The saturated fats in cheese and processed meats, along with the high sodium and preservatives found in many takeout pizzas, can trigger immune responses and worsen psoriatic arthritis symptoms. Additionally, the refined flour in most pizza crusts causes rapid blood sugar spikes, further promoting inflammation. According to the Arthritis Foundation, these commonly used pizza ingredients are among the top dietary triggers for flare-ups in people with inflammatory arthritis.

Homemade pizza offers an opportunity to modify recipes for better health. Using whole grain or cauliflower crust, part-skim or plant-based cheese alternatives, and loading up on fresh vegetables can significantly lower the inflammatory potential of pizza. Lean proteins like grilled chicken or plant-based sausage are healthier topping choices than processed meats. Practicing portion control and enjoying pizza alongside a large salad can help balance the meal. For more tips on building arthritis-friendly pizzas and choosing anti-inflammatory toppings, visit the Arthritis Foundation’s pizza guide.

22. Mayonnaise

22. Mayonnaise
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Mayonnaise is a condiment rich in fats, especially when made with oils high in omega-6 fatty acids, such as soybean or sunflower oil. Excessive omega-6 intake, particularly when not balanced with omega-3s, can promote inflammatory processes in the body, potentially aggravating psoriatic arthritis symptoms. According to the Arthritis Foundation, modern diets already tend to be overly rich in omega-6 fatty acids, which may encourage joint inflammation and discomfort when consumed in large amounts.

Healthier alternatives to traditional mayonnaise spreads include mashed avocado, which is high in anti-inflammatory monounsaturated fats, and Greek yogurt, which adds creaminess, protein, and beneficial probiotics without the excess omega-6s. These swaps also offer additional vitamins and minerals that support joint and immune health. If mayonnaise is used, opt for versions made with olive oil and keep servings small—just enough for flavor, not as the main ingredient. Reading labels for ingredients and fat types is essential for reducing inflammatory risk. For more tips on smart spread choices and anti-inflammatory condiments, visit the Arthritis Foundation’s guide to healthy fats.

23. Energy Drinks

23. Energy Drinks
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Energy drinks are often marketed for their ability to boost alertness and stamina, but they typically contain high levels of caffeine and added sugars—two ingredients strongly associated with increased inflammation. Excessive caffeine intake can disrupt sleep and stress hormone balance, both of which may exacerbate psoriatic arthritis symptoms. Meanwhile, the large amounts of sugar found in most energy drinks can rapidly elevate blood glucose, triggering inflammatory pathways and potentially leading to flare-ups. According to the Centers for Disease Control and Prevention (CDC), limiting added sugar is crucial for managing chronic inflammatory diseases.

As a healthier alternative, herbal teas such as chamomile, ginger, or peppermint contain beneficial plant compounds, are naturally caffeine-free, and offer hydration without the inflammatory burden of sugar or stimulants. These teas can help calm the body and may even provide mild anti-inflammatory effects. During psoriatic arthritis flares, it is especially wise to steer clear of energy drinks to avoid aggravating symptoms. Opt for water, herbal teas, or diluted fresh juices to support hydration and inflammation control. For more on healthy beverage choices for joint health, see the Arthritis Foundation’s drink guide.

24. Instant Noodles

24. Instant Noodles
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Instant noodles are a popular convenience food, but they are typically loaded with preservatives, excessive sodium, and processed fats—all of which can trigger or worsen inflammation in people with psoriatic arthritis. The flavor packets included in instant noodles are especially high in salt and chemical additives, which, according to CDC data, can contribute to immune system activation and increased risk of chronic disease. The noodles themselves are often made from refined flour and sometimes fried in unhealthy oils, adding trans fats and further compounding their inflammatory potential.

In contrast, fresh noodle dishes made from whole grains and prepared with fresh vegetables and lean proteins offer a more nutritious and anti-inflammatory alternative. By cooking at home, you can control sodium levels, choose healthier oils, and avoid artificial preservatives altogether. If you crave noodle dishes, try whole wheat, brown rice, or buckwheat noodles, and flavor them with herbs, spices, or a light homemade broth. Limiting instant noodle consumption is highly advisable for those managing psoriatic arthritis. For more tips on healthy swaps and anti-inflammatory meal ideas, visit the Arthritis Foundation’s diet guide.

25. Packaged Soups

25. Packaged Soups
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Packaged soups, including canned and instant varieties, are often high in sodium, artificial flavors, and preservatives, making them a common source of dietary inflammation. Excessive sodium intake can elevate blood pressure and stimulate immune responses that may worsen psoriatic arthritis flare-ups. Many packaged soups also contain monosodium glutamate (MSG), added sugars, and other chemical additives to enhance flavor and extend shelf life. According to the Centers for Disease Control and Prevention (CDC), these ingredients are prevalent in processed soups and contribute significantly to daily sodium consumption for many people.

Homemade soups, on the other hand, offer far greater control over the ingredients used. Making soup from scratch allows you to select low-sodium broths, fresh vegetables, lean proteins, and natural herbs or spices, creating a nutritious and anti-inflammatory meal. When purchasing soup, always read nutrition labels to check for sodium content and avoid products with long lists of additives or flavor enhancers. Selecting low-sodium or “no salt added” options is a positive step, but homemade remains the gold standard for those managing inflammation. For more on reading soup labels and healthy soup recipes, visit the Arthritis Foundation’s soup guide.

26. Sports Drinks

26. Sports Drinks
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Sports drinks are often marketed as essential for hydration and electrolyte replenishment, but many varieties contain high levels of added sugars, artificial colors, and sodium. These ingredients can contribute to systemic inflammation and may exacerbate symptoms in individuals with psoriatic arthritis. Research referenced by the Centers for Disease Control and Prevention (CDC) emphasizes the negative impact of excessive sugar consumption on inflammation and chronic disease risk. The artificial colors and flavorings found in many sports drinks add to the chemical load without any nutritional benefit.

For most people, especially those who are not engaging in prolonged, intense physical activity, water remains the best choice for hydration. Coconut water offers a natural alternative, providing electrolytes like potassium and magnesium with minimal sugar and no artificial additives. These options hydrate effectively while supporting overall health and minimizing inflammation. If you do choose a sports drink, opt for those with no added sugars or artificial ingredients, and use them sparingly. For optimal hydration and joint health, it’s best to rely on water or coconut water as your primary beverages. For more information on healthy hydration options, see the Arthritis Foundation’s drink guide.

27. Flavored Coffee Drinks

27. Flavored Coffee Drinks
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Flavored coffee drinks, such as lattes, mochas, and frappuccinos, often contain high amounts of added sugars, whipped cream, and full-fat dairy, all of which can contribute to systemic inflammation and worsen psoriatic arthritis symptoms. Many specialty coffees can pack as much sugar as a dessert, leading to spikes in blood glucose and insulin—well-known drivers of inflammatory pathways. According to the Centers for Disease Control and Prevention (CDC), high sugar consumption is closely linked to increased inflammation and chronic disease risk. The saturated fats commonly found in whipped toppings and whole milk also add to the inflammatory potential of these beverages.

In contrast, black coffee is naturally sugar-free and low in calories, making it a more suitable choice for those concerned about inflammation. If you dislike the taste of black coffee, consider ordering plain coffee with a splash of non-dairy milk or a sprinkle of cinnamon. When visiting coffee shops, request less or no added syrup, opt for smaller sizes, and skip whipped cream to minimize sugar and fat intake. For more guidance on making healthier beverage choices, review the Arthritis Foundation’s drink guide.

28. Barbecue Sauces

28. Barbecue Sauces
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Barbecue sauces are popular condiments that often contain significant amounts of hidden sugars, high fructose corn syrup, and various preservatives. These ingredients can contribute to systemic inflammation, particularly in individuals with psoriatic arthritis. Many commercial barbecue sauces rely on sugar and artificial additives not only for flavor but also for longer shelf life. According to the Centers for Disease Control and Prevention (CDC), excess sugar intake is a known factor in increasing inflammation and the risk for chronic diseases.

Homemade barbecue sauces, or those specifically labeled as “low-sugar” or “no added sugar,” allow for greater control over the ingredient list and can be tailored to reduce inflammatory triggers. Creating your own sauce lets you emphasize natural flavors using tomato paste, spices, a touch of natural sweetener like honey, and minimal preservatives. Always read nutrition labels carefully, as even “savory” or “spicy” varieties can contain unexpected amounts of sugar and sodium. For more ideas on reducing added sugars and making healthier condiments, visit the Arthritis Foundation’s healthy condiments guide.

29. Canned Fruit in Syrup

29. Canned Fruit in Syrup
A colorful fruit salad glistens in sweet syrup, filled with a medley of vibrant canned fruits. | Generated by Google Gemini

Canned fruits packed in syrup are often loaded with added sugars, which can lead to rapid spikes in blood glucose and trigger inflammatory responses. The thick syrup, whether labeled as “light” or “heavy,” is primarily composed of sugar or high fructose corn syrup, both of which have been linked to increased inflammation and a higher risk of chronic conditions such as psoriatic arthritis. According to the Centers for Disease Control and Prevention (CDC), limiting added sugar is essential for reducing systemic inflammation and supporting overall health.

In contrast, fresh fruit delivers natural sweetness along with fiber, vitamins, and antioxidants that help moderate blood sugar and reduce inflammation. If canned fruit is the only option, choose varieties packed in water or natural juice rather than syrup. Rinsing canned fruit under water can also help remove some of the excess sugars. Always check labels for added sugar content, and opt for unsweetened or “no sugar added” options whenever possible. For more tips on making fruit a healthy part of your anti-inflammatory diet, visit the Arthritis Foundation’s guide to fruit for arthritis.

30. Granola Bars

30. Granola Bars
A wholesome granola bar packed with oats, nuts, and seeds sits ready as the perfect energy-boosting snack. | Generated by Google Gemini

Granola bars are frequently marketed as a healthy snack, but many commercial varieties are filled with hidden sugars, high fructose corn syrup, and processed oils, all of which can promote inflammation. Some bars contain as much sugar as a candy bar, contributing to blood sugar spikes and increasing the risk of flare-ups for those with psoriatic arthritis. The use of refined oils and artificial additives can further compound the inflammatory potential of these convenience snacks. According to the Centers for Disease Control and Prevention (CDC), reducing added sugar and processed fat intake is key to managing inflammation and supporting joint health.

Healthier options include bars made primarily with whole oats, nuts, seeds, and dried fruits, without added sugars or hydrogenated oils. Alternatively, making your own oat or nut bars at home allows you to control both the ingredient quality and portion size. When purchasing granola bars, always read labels and choose those with minimal added sugars, healthy fats, and a short, recognizable ingredient list. For additional guidance on selecting anti-inflammatory snacks and healthy packaged foods, refer to the Arthritis Foundation’s healthy snacks guide.

31. Potato Chips

31. Potato Chips
A tempting heap of golden potato chips and crisps spills from a bowl, inviting you to enjoy a crunchy snack. | Generated by Google Gemini

Potato chips are a popular snack food but are typically fried in refined oils and heavily salted, making them a significant source of both unhealthy fats and sodium. The use of processed oils, such as soybean or corn oil, increases the intake of omega-6 fatty acids, which can promote inflammation when consumed in excess—an important consideration for those with psoriatic arthritis. High sodium content in chips can also contribute to immune activation and fluid retention, potentially worsening joint discomfort. The Centers for Disease Control and Prevention (CDC) highlights potato chips as one of the leading contributors to dietary sodium intake in the American diet.

Baked chips and veggie chips made from sweet potatoes, beets, or kale offer alternatives with lower fat content and, in some cases, more nutrients. However, even these should be chosen carefully, as they can still contain added salt and oils. Reading labels and opting for low-sodium or minimally processed varieties can help reduce inflammatory risks. Practicing portion control is also vital, as it’s easy to overconsume chips, regardless of type. For more tips on healthy snack alternatives and portion management, visit the Arthritis Foundation’s healthy snacks guide.

32. Pretzels

32. Pretzels
A tempting pile of golden, salted pretzels offers the perfect crunchy snack for any time of day. | Generated by Google Gemini

Pretzels are a common snack food made primarily from refined white flour and coated with salt, both of which can contribute to inflammation and exacerbate symptoms of psoriatic arthritis. The lack of fiber and nutrients in refined flour leads to rapid spikes in blood sugar, which can trigger inflammatory responses in the body. Additionally, the high sodium content in most pretzel varieties may promote fluid retention and immune activation, increasing joint discomfort. According to the Centers for Disease Control and Prevention (CDC), salty snacks like pretzels are a significant source of excess sodium in the typical diet.

Whole-grain snacks, such as whole-wheat pretzels, whole-grain crackers, or air-popped popcorn, offer more fiber, nutrients, and a gentler effect on blood sugar. When choosing pretzels, look for options made with whole grains and reduced sodium, and always check the ingredients list for added fats or preservatives. Limiting portion sizes is important, as even healthier varieties can contribute to overall sodium and refined carbohydrate intake. For more guidance on anti-inflammatory snack choices and reading nutrition labels, visit the Arthritis Foundation’s healthy snacks guide.

33. Fruit Juices

33. Fruit Juices
Glasses of freshly poured orange and apple juice sit side by side, bursting with vibrant, fruity color and freshness. | Generated by Google Gemini

Fruit juices, even those labeled as “100% juice,” deliver a concentrated dose of natural sugars without the fiber found in whole fruits. This lack of fiber allows sugars to be absorbed rapidly into the bloodstream, leading to spikes in blood glucose and insulin levels that can trigger inflammation—an important concern for individuals with psoriatic arthritis. Research published in Nutrients links high consumption of sugary beverages, including fruit juice, to increased inflammatory markers and a greater risk of chronic disease.

Whole fruits, on the other hand, provide fiber, vitamins, minerals, and antioxidants that help moderate blood sugar and support overall immune health. Eating fruit in its natural state also contributes to a feeling of fullness, making it less likely to overconsume sugar. Limiting fruit juice intake, or diluting it with water, can help reduce sugar load and minimize inflammation risk. Always check labels for added sugars, as many commercial juices contain sweeteners beyond what is naturally present in fruit. For additional guidance on making fruit and beverage choices for inflammation control, visit the Arthritis Foundation’s drink guide.

34. Honey and Syrups

34. Honey and Syrups
Golden honey drips from a wooden dipper into a glass jar, capturing the essence of natural sweetener and syrup. | Generated by Google Gemini

Honey, maple syrup, agave, and other natural sweeteners are often perceived as healthier alternatives to table sugar, but they have a similar impact on blood glucose and inflammation. These natural sugars are quickly absorbed into the bloodstream, causing spikes in blood sugar and insulin that can activate inflammatory pathways—a particular concern for those with psoriatic arthritis. According to the Centers for Disease Control and Prevention (CDC), all forms of added sugar, including honey and syrups, should be consumed in moderation to prevent chronic inflammation and related health risks.

While honey and maple syrup do contain small amounts of beneficial antioxidants and minerals that are not found in refined sugar, their effects on inflammation and metabolic health are largely the same when used in excess. Both should be viewed as occasional treats rather than everyday staples. Using smaller amounts, or substituting with naturally sweet foods like fruit, can help satisfy sweet cravings while keeping inflammation in check. For more advice on reducing added sugars and making anti-inflammatory dietary changes, consult the Arthritis Foundation’s healthy sugar swaps guide.

35. Restaurant Chinese Food

35. Restaurant Chinese Food
A colorful stir fry brimming with vegetables and tender chicken sits in an open Chinese takeout container, ready to enjoy. | Generated by Google Gemini

Restaurant Chinese food, especially dishes from takeout or buffet menus, is often high in sodium, monosodium glutamate (MSG), and added sugars. These ingredients are used to enhance flavor and preserve freshness but can contribute to increased inflammation and potential flare-ups for those with psoriatic arthritis. According to the Centers for Disease Control and Prevention (CDC), restaurant meals are among the leading sources of excess dietary sodium, which can trigger immune activation and promote fluid retention. MSG, a common flavor enhancer, may also cause sensitivity reactions in some people, potentially worsening joint pain or swelling.

Homemade Chinese-inspired meals allow you to control the ingredients and reduce salt, sugar, and MSG. Opt for stir-fries with fresh vegetables, lean proteins like chicken or tofu, and low-sodium soy sauce or tamari. Using ginger, garlic, and herbs for flavor can reduce the need for added salt and sugar. When ordering at a restaurant, request sauces on the side, choose steamed dishes, and avoid deep-fried or heavily sauced options. For more tips on making healthy restaurant choices and preparing anti-inflammatory meals at home, see the Arthritis Foundation’s diet guide.

36. Deli Meats

36. Deli Meats
An appetizing assortment of deli meats and cold cuts neatly arranged, ready to be layered into the perfect sandwich. | Generated by Google Gemini

Deli meats, including ham, turkey, salami, and roast beef, are convenient protein sources but are often laden with preservatives, salt, and unhealthy fats. Common additives such as nitrates and nitrites help preserve color and shelf life but have been linked to increased inflammation and a greater risk of chronic disease. The high sodium content in deli meats can also contribute to fluid retention and stimulate immune system activity, exacerbating psoriatic arthritis symptoms. According to the Centers for Disease Control and Prevention (CDC), processed meats like deli cuts are a leading source of sodium and saturated fat in the American diet.

Freshly cooked meats, such as grilled chicken breast, baked turkey, or roasted lean beef, offer a healthier alternative with far fewer additives and lower sodium content. These options allow you to control seasoning and avoid preservatives entirely. For those managing psoriatic arthritis, prioritizing unprocessed protein sources—like fresh poultry, fish, legumes, and tofu—can help reduce inflammation and support overall health. When purchasing meat, look for “no added nitrates/nitrites” or “low sodium” labels and avoid heavily processed varieties. For additional protein swap ideas and anti-inflammatory recipes, visit the Arthritis Foundation’s protein guide.

37. Corn Oil

37. Corn Oil
A clear bottle of golden corn oil sits on a kitchen counter, ready for your next delicious meal. | Generated by Google Gemini

Corn oil is widely used in cooking and food processing due to its mild flavor and high smoke point, but it is particularly high in omega-6 fatty acids. While omega-6s are essential for health, an excessive intake—especially when not balanced with omega-3 fatty acids—can promote the production of pro-inflammatory molecules in the body. This imbalance is common in modern diets and is linked to increased inflammation, which may aggravate psoriatic arthritis symptoms. Research published in Nutrients underscores the importance of a healthy omega-6 to omega-3 ratio for controlling inflammation and supporting joint health.

In contrast, olive oil is rich in monounsaturated fats and contains polyphenols with natural anti-inflammatory properties. Swapping corn oil for olive oil or other oils high in omega-3s, such as flaxseed or walnut oil, can help reduce inflammation and promote better health outcomes for those managing psoriatic arthritis. When reading ingredient lists, be mindful of products that contain corn oil or blends high in omega-6s. For more information on choosing the best oils for an anti-inflammatory diet, visit the Arthritis Foundation’s healthy fats guide.

38. Vegetable Shortening

38. Vegetable Shortening
A creamy block of baking shortening sits on a rustic cutting board, ready to be used as a key ingredient. | Generated by Google Gemini

Vegetable shortening, commonly used in baking and frying, is a product made from partially hydrogenated oils—a primary source of artificial trans fats. Trans fats have been conclusively linked to increased inflammation, higher levels of LDL (“bad”) cholesterol, and a heightened risk of chronic diseases, including cardiovascular problems and inflammatory conditions like psoriatic arthritis. According to the U.S. Food & Drug Administration (FDA), there is no safe level of trans fat consumption, and efforts have been made to remove them from the food supply due to their health risks.

Healthier alternatives for baking and cooking include using oils rich in monounsaturated and polyunsaturated fats, such as olive oil, avocado oil, or even small amounts of butter. These fats not only provide better nutritional profiles but also help reduce inflammation. Coconut oil, though high in saturated fat, is free from trans fats and may be used sparingly. When reading recipes or product labels, avoid ingredients listed as “partially hydrogenated oils.” For more ideas on healthy baking swaps and anti-inflammatory fats, consult the Arthritis Foundation’s guide to healthy fats.

39. Packaged Muffins

39. Packaged Muffins
A freshly baked muffin sits inside clear packaging, ready to be enjoyed from a bustling local bakery display. | Generated by Google Gemini

Packaged muffins, often found in grocery stores and convenience shops, are typically high in added sugars, refined flours, and unhealthy fats, including partially hydrogenated oils. This combination can lead to rapid spikes in blood sugar and fuel systemic inflammation, which may trigger or worsen psoriatic arthritis symptoms. Many commercial muffins contain as much sugar as a dessert and use trans fats or saturated fats to extend shelf life and improve texture. According to the Harvard T.H. Chan School of Public Health, these ingredients are strongly linked to increased inflammatory markers and a higher risk of chronic disease.

Homemade muffins offer a healthier alternative, as you can use whole grain flours, natural sweeteners such as mashed banana or applesauce, and healthy oils like olive or avocado oil. Adding ingredients like nuts, seeds, or berries can further boost the nutritional value and support anti-inflammatory eating. Swapping out processed ingredients for wholesome ones also helps control portion size and sugar content. For inspiration and tips on creating arthritis-friendly baked goods, visit the Arthritis Foundation’s healthy baking swaps guide.

40. Sweetened Cereals

40. Sweetened Cereals
A colorful bowl of crunchy breakfast cereal sits beside a bright cereal box, ready for a delicious morning meal. | Generated by Google Gemini

Sweetened breakfast cereals are a common feature on many breakfast tables but are often made with refined grains and contain high amounts of added sugars. These cereals can cause rapid spikes in blood glucose, fueling inflammatory pathways and potentially triggering psoriatic arthritis flare-ups. According to the Centers for Disease Control and Prevention (CDC), added sugars in breakfast foods contribute significantly to daily sugar intake and the risk of chronic inflammatory diseases.

Whole grain cereals, such as oatmeal, shredded wheat, or muesli, offer a more nutritious and anti-inflammatory start to the day. These options are higher in fiber, vitamins, and minerals that help regulate blood sugar and support digestive and joint health. When selecting cereals, it’s important to read ingredient lists and nutrition labels—look for products where whole grains are the first ingredient and avoid those with sugar, corn syrup, or honey listed near the top. Opting for unsweetened varieties and adding your own fruit or nuts can further reduce sugar intake and enhance nutritional value. For more tips on healthy breakfast choices, visit the Arthritis Foundation’s arthritis diet guide.

41. Packaged Pancake Mixes

41. Packaged Pancake Mixes
A stack of golden pancakes sits beside a bowl of pancake mix, ready for a delicious homemade breakfast. | Generated by Google Gemini

Packaged pancake mixes are convenient but often rely on processed white flour and added sugars, which can spike blood glucose and promote inflammation—an important concern for those managing psoriatic arthritis. These mixes may also contain artificial flavors, preservatives, and unhealthy fats to extend shelf life and enhance taste, further increasing their potential to trigger flare-ups. According to the Centers for Disease Control and Prevention (CDC), foods high in refined grains and added sugars are linked to increased inflammation and chronic disease risk.

In contrast, scratch-made pancakes allow you to choose whole-grain flours, such as whole wheat, oat, or buckwheat, and control the amount and type of sweetener used. These whole-grain options provide more fiber, vitamins, and minerals, helping to regulate blood sugar and reduce the likelihood of inflammation. Adding ingredients like nuts, seeds, or fruit can further boost nutritional benefits. When making pancakes at home, consider recipes that emphasize whole ingredients and minimal added sugar. For more ideas on healthy breakfast swaps and anti-inflammatory recipes, visit the Arthritis Foundation’s arthritis diet guide.

42. Bottled Salad Dressings

42. Bottled Salad Dressings
A selection of bottled vinaigrettes sits beside a vibrant salad, ready to add a burst of flavor. | Generated by Google Gemini

Bottled salad dressings, while convenient, often contain high levels of added sugars, salt, and processed oils such as soybean or corn oil. These ingredients can contribute to systemic inflammation, especially in individuals with psoriatic arthritis. Many commercial dressings also include artificial flavors, stabilizers, and preservatives to enhance taste and shelf life, further increasing their potential to trigger flare-ups. According to the Centers for Disease Control and Prevention (CDC), hidden sugars and excess sodium in condiments are significant contributors to daily intake and chronic disease risk.

Homemade vinaigrettes, made with simple ingredients like extra virgin olive oil, vinegar or lemon juice, herbs, and spices, offer a healthier alternative that supports an anti-inflammatory diet. Olive oil, in particular, is rich in monounsaturated fats and polyphenols, which can help reduce inflammation. Making your own dressing allows you to control the ingredients and avoid unnecessary additives. For those looking to enhance salads without the inflammatory risks, experimenting with homemade vinaigrettes and yogurt-based dressings is a flavorful and nutritious option. For more recipes and tips, visit the Arthritis Foundation’s healthy condiments guide.

43. Frozen Pizza

43. Frozen Pizza
A frozen pizza sits beside its open box, ready to be baked to crispy perfection in the oven. | Generated by Google Gemini

Frozen pizza is a convenient mealtime solution but is often packed with preservatives, high levels of salt, and trans fats—ingredients that can promote inflammation and aggravate psoriatic arthritis symptoms. Many frozen pizzas contain processed meats, refined flour crusts, and artificial additives meant to enhance flavor and extend shelf life. According to the Centers for Disease Control and Prevention (CDC), frozen and processed foods are among the leading sources of excess sodium in the diet, which can stimulate immune activation and fluid retention.

Fresh pizza, particularly when made at home, allows for greater control over the quality of ingredients. Choosing whole grain or cauliflower crusts, fresh vegetables, lean proteins, and olive oil can significantly reduce the inflammatory potential of pizza. When purchasing frozen pizza, check ingredient labels carefully and select varieties with lower sodium, no trans fats, and fewer artificial additives. Opting for simple toppings and pairing pizza with a large salad can further support joint health. For more tips on making pizza a healthier choice and managing inflammation through diet, visit the Arthritis Foundation’s pizza guide.

44. Flavored Instant Oatmeal

44. Flavored Instant Oatmeal
A steaming bowl of instant oatmeal sits beside an open oatmeal packet, ready for a quick and hearty breakfast. | Generated by Google Gemini

Flavored instant oatmeal packets, while quick and convenient, often contain high levels of added sugars and artificial flavors. These ingredients can lead to rapid spikes in blood sugar, fueling inflammatory processes that may trigger or worsen psoriatic arthritis symptoms. Many brands use sweeteners and flavor enhancers to appeal to taste preferences, but these additives undermine the natural health benefits of oats. According to the Centers for Disease Control and Prevention (CDC), reducing added sugar intake is key for managing inflammation and supporting chronic disease prevention.

Plain oats, such as old-fashioned rolled oats or steel-cut oats, provide a much healthier foundation for a nourishing breakfast. These oats are rich in soluble fiber, which helps regulate blood sugar, lower cholesterol, and support digestive health. By starting with plain oats, you have full control over the flavors and sweeteners added. Customizing your oatmeal with fresh fruit, nuts, seeds, or a small drizzle of honey or maple syrup can enhance taste and nutrition without excess sugar or artificial additives. For more oatmeal ideas and healthy breakfast recipes, visit the Arthritis Foundation’s arthritis diet guide.

45. Doughnuts

45. Doughnuts
A tempting assortment of freshly baked doughnuts and donuts, topped with colorful glazes and sprinkles, fills the tray. | Generated by Google Gemini

Doughnuts are a popular treat but are typically made by frying refined flour dough in processed oils and coating or filling them with large amounts of sugar. This combination results in a food that is high in unhealthy fats, added sugars, and simple carbohydrates—all of which are linked to increased inflammation and can worsen psoriatic arthritis symptoms. The frying process often uses oils rich in trans fats or saturated fats, which have been shown to raise inflammatory markers and increase the risk of chronic disease. According to the Harvard T.H. Chan School of Public Health, trans fats are particularly harmful for cardiovascular and joint health.

Baked alternatives, such as homemade baked doughnuts or muffins made with whole grain flour and less sugar, can provide a similar taste experience with a much lower inflammatory impact. These alternatives allow you to control the quality of ingredients and reduce both fat and sugar content. Even with healthier options, doughnuts and similar treats should be eaten in moderation and reserved for occasional indulgences. For more ideas on making anti-inflammatory baked goods and limiting sugar intake, consult the Arthritis Foundation’s healthy baking swaps guide.

46. Popcorn with Artificial Butter

46. Popcorn with Artificial Butter
A generous bowl of golden buttered popcorn sits ready to be enjoyed as the perfect movie night snack. | Generated by Google Gemini

Popcorn topped with artificial butter flavoring, commonly found in microwaveable varieties and movie theater popcorn, often contains chemicals such as diacetyl and partially hydrogenated oils—sources of artificial trans fats. These additives are linked to increased inflammation and can worsen symptoms for individuals with psoriatic arthritis. According to the Harvard T.H. Chan School of Public Health, trans fats raise inflammatory markers and are associated with higher risks of chronic disease. Additionally, artificial butter flavorings can contain preservatives and flavor enhancers that offer no nutritional benefit and may further contribute to systemic inflammation.

In contrast, air-popped popcorn is naturally low in fat and calories and free from artificial additives. Preparing popcorn at home using an air popper or stovetop with a small amount of olive or avocado oil allows you to control both the ingredients and the flavorings. For added taste, consider sprinkling your popcorn with herbs, nutritional yeast, or a small amount of real butter. This approach minimizes exposure to harmful fats and chemicals while preserving the whole-grain benefits of popcorn. For more ideas on preparing healthy snacks, visit the Arthritis Foundation’s healthy snack guide.

47. Rice Cakes

47. Rice Cakes
A stack of crisp rice cakes made from puffed rice sits ready for a light and wholesome snack. | Generated by Google Gemini

Rice cakes are often marketed as a light, healthy snack, but they have a high glycemic index and provide very little fiber or nutritional value. This means they are quickly digested and absorbed, causing rapid spikes in blood sugar levels that can fuel inflammation—an important factor for those with psoriatic arthritis. According to research published in Journal of Inflammation Research, foods that rapidly increase blood glucose are associated with higher inflammatory markers and a greater risk for chronic disease.

Whole grains such as brown rice, quinoa, or whole wheat bread provide more fiber, vitamins, and minerals, which help regulate blood sugar and reduce inflammation. If you enjoy rice cakes, consider pairing them with a source of protein or healthy fat, such as hummus, nut butter, or avocado, to slow digestion and create a more balanced snack. This approach helps stabilize blood sugar and provides additional nutrients that benefit joint and immune health. For more ideas on balanced, anti-inflammatory snacks and how to incorporate whole grains into your diet, visit the Arthritis Foundation’s healthy snacks guide.

48. Sweetened Nut Butters

48. Sweetened Nut Butters
Creamy peanut butter and a rich jar of almond butter sit side by side, ready for spreading and snacking. | Generated by Google Gemini

Sweetened nut butters, such as certain brands of peanut butter or almond butter, often contain added sugars and hydrogenated fats to improve taste and shelf stability. These ingredients not only increase the calorie content but also promote inflammation, which can aggravate psoriatic arthritis symptoms. Hydrogenated fats are a source of trans fats, which the Harvard T.H. Chan School of Public Health identifies as particularly harmful due to their link with increased inflammatory markers and chronic disease risk. Added sugars likewise contribute to rapid spikes in blood glucose, fueling inflammatory pathways.

Unsweetened nut butters, made solely from nuts and perhaps a pinch of salt, provide healthy monounsaturated fats, protein, and beneficial nutrients without the inflammatory drawbacks. When selecting nut butters, scrutinize ingredient labels to avoid options that list sugar, corn syrup, or partially hydrogenated oils. Natural nut butters may separate over time, requiring stirring, but offer a significantly healthier alternative for those managing inflammation. For more guidance on choosing anti-inflammatory spreads and reading nutrition labels, consult the Arthritis Foundation’s healthy fats guide.

49. Syrupy Cocktail Mixes

49. Syrupy Cocktail Mixes
A vibrant mixed drink shines at the bar, brimming with fresh citrus slices and a colorful cocktail mix. | Generated by Google Gemini

Syrupy cocktail mixes, commonly used in mixed drinks like margaritas, daiquiris, and “ready-to-drink” cocktails, are loaded with added sugars, high fructose corn syrup, and artificial colors or flavors. These ingredients can trigger rapid spikes in blood sugar and fuel inflammation—posing a particular risk for individuals with psoriatic arthritis. According to the Centers for Disease Control and Prevention (CDC), excessive consumption of added sugars and artificial additives is linked to increased inflammatory markers and greater risk for chronic disease.

Healthier alternatives for cocktail preparation include using freshly squeezed citrus juice, muddled fruit, herbs, or soda water as mixers. These options provide natural flavor and hydration with fewer inflammatory triggers and no artificial ingredients. When ordering or making cocktails, opt for smaller servings, avoid pre-made syrups, and request simple mixers like soda water or fresh juice. Being mindful of both the alcohol content and mixers can help reduce the risk of flare-ups and better support joint health. For more ideas on anti-inflammatory beverages and ingredient swaps, visit the Arthritis Foundation’s drink guide.

50. Cream-Based Sauces

50. Cream-Based Sauces
A rich, velvety Alfredo cream sauce is poured over steaming pasta, topped with fresh herbs and cracked pepper. | Generated by Google Gemini

Cream-based sauces, such as Alfredo, béchamel, or creamy salad dressings, are typically high in saturated fats from heavy cream, butter, and cheese. Consuming large amounts of saturated fat can promote inflammation and may exacerbate symptoms of psoriatic arthritis by raising inflammatory markers and contributing to joint discomfort. Additionally, many cream-based sauces use flour as a thickener, which can introduce gluten—a potential trigger for those who are sensitive or have gluten-related inflammation. The Arthritis Foundation notes that both dairy and gluten may play a role in inflammatory responses for some individuals with arthritis.

Lighter alternatives to cream-based sauces include tomato-based sauces, which are naturally lower in fat and rich in antioxidants like lycopene, and broth-based sauces made with olive oil, herbs, and vegetables. These options provide robust flavor with fewer inflammatory risks. When preparing sauces at home or choosing menu items, opt for tomato, broth, or olive oil-based preparations and request sauces on the side to control portions. For more ways to make classic dishes healthier and reduce saturated fat intake, visit the Arthritis Foundation’s arthritis diet guide.

Conclusion

Conclusion
A doctor discusses a colorful plate of fresh vegetables with a patient, highlighting healthy eating for arthritis prevention. | Generated by Google Gemini

Dietary awareness plays a crucial role in preventing psoriatic arthritis flare-ups and supporting long-term joint and immune health. Making informed food choices—such as reducing processed foods, added sugars, unhealthy fats, and known inflammatory triggers—can help minimize symptoms and improve overall well-being. Because reactions to specific foods can vary widely, it’s important to approach your diet thoughtfully and with urgency. Consulting with a healthcare provider or registered dietitian for personalized screening and guidance ensures that your nutritional plan is safe and effective. For more expert advice on managing psoriatic arthritis through diet, visit the Arthritis Foundation’s arthritis diet guide.

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