antihistamines

Do antihistamines cause weight gain?

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Key points While the class of anti-allergy drugs called antihistamines are known for their ability to make you drowsy, weight gain can be another side effect of some of these drugs. While short-term antihistamine use likely won’t contribute to weight gain, studies show that some antihistamines have the potential to contribute to weight gain over … Read more

What happens if… you take too many antihistamines?

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It’s that time of year again when allergens hold our senses hostage and we find ourselves reaching for antihistamines just to get through the day. But what if you accidentally pop too many? Here’s what you need to know. What are antihistamines and how do they work? Histamine is the substance your body produces when … Read more