Allergy meds may increase your recovery time In addition to causing overheating, some antihistamines have been shown to impact your body’s ability to recover after a… Aisha Abdullah - December 31, 2022
In addition to causing overheating, some antihistamines have been shown to impact your body’s ability to recover after a rigorous workout. For example, a study from 2016 found that the antihistamine fexofenadine (Allegra) blocks the genes that help increase blood flow to the muscles after exercise. This blood flow is vital for muscles to recover, and consistent training will help muscles grow stronger. So, while antihistamines might mean less muscle soreness and weakness the day after hitting the gym, they may also reduce the long-term benefits of your workout. The study also found that the use of antihistamines before working out could dampen improvements in resting heart rate that usually results from regular aerobic exercise.
There are wide varieties of antihistamines on the market, including fast-acting antihistamines like Benadryl and newer long-lasting antihistamines like Claritin and Zyrtec. Drowsiness is Benedryl’s most common side effect, so much so that some people use it as a sedative to help them sleep. But even long-lasting, non-drowsy antihistamines can make you feel sluggish and uncoordinated, which can seriously hurt your workout. Scheduling exercise before you take antihistamines can help you avoid these side effects. You might also consider switching to different, non-antihistamine allergy medicine. Alternatives to antihistamines include allergy shots and corticosteroid nasal sprays and inhalers.
Most people reach for over-the-counter medicines to relieve nasal congestion when a cold or flu leaves them with a stuffy nose. Most of the common decongestants in cold medicine contain stimulants, usually pseudoephedrine or phenylephrine. These stimulants work by opening up blood vessels, which decreases swelling and congestion inside the nose. However, stimulants can leave you feeling jittery, increase your blood pressure, and raise your heart rate, even causing heart palpitations. Like antihistamines, it may be better to delay taking stimulant decongestants until after your workout to avoid dangerously a high heart rate. Some doctors may also recommend taking cold medicines that contain non-stimulant decongestants, including some nasal sprays.
ACE inhibitors are drugs commonly used to treat hypertension (high blood pressure). They work by blocking a molecule that causes blood vessels to narrow. As a result, ACE inhibitors decrease blood pressure by allowing blood vessels to open wider, reducing pressure on blood vessels. With any drug that lowers blood pressure, you must be careful to avoid hypotension (low blood pressure), especially while exercising. ACE inhibitors are also frequently prescribed with diuretics, decreasing blood pressure. People taking either or both of these medications are encouraged to do gradual cool-downs to avoid an excessive drop in blood pressure following a workout. Post-exercise hypotension can occur in anyone but is a particular risk for people taking medicines to manage high blood pressure.
Laxatives are used to treat occasional constipation. There are several types of laxatives, each with a slightly different way of promoting regular bowel movements. Stimulant laxatives do this by causing the muscles of the intestines to contract and move poop through the digestive tract. Although stimulant laxatives are the fastest-acting and often the most effective, they can cause stomach cramps and abdominal pain while working. This may make it difficult or uncomfortable to work out. Skipping the gym until you’re no longer constipated is one way to avoid stomach cramps while exercising. Another option is choosing a more gentle laxative that softens stool by absorbing water into the intestines. These laxatives may not work quite as fast as stimulant laxatives, but they are much less likely to cause cramps.
Dietary supplements may get your heart pumping too fast
Even if you’re not taking prescription or over-the-counter drugs, you could still deal with side effects that might make your workouts dangerous. For example, elevated heart rate is a side effect of several common dietary supplements, including the natural sleep aid valerian and ginseng, a root that is used to boost energy and reduce stress. Taking any substance, natural or otherwise, that raises heart rate requires extra care while working out. Exercising before taking supplements and monitoring heart rate are two ways to work out safely while taking supplements. Remember that while natural remedies may have fewer side effects than some medications, they can still carry risks and should only be taken under supervision from a medical professional.
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