Benadryl can cause certain side effects, some of which are more common than others. These side effects may be temporary, lasting a few days to weeks. However, if the side effects last longer than that ...

Benadryl (diphenhydramine), an antihistamine used to relieve allergy and cold symptoms, can cause some serious side effects, especially when taken incorrectly. A new review published in the World ...

Experts are talking more about the side effects and potential risks of this familiar pink allergy pill. Learn why it’s controversial and the dos and don’ts of using it. A recent medical review argued ...

Every allergy medication has its pros and cons. Here’s what to know. Credit...Amanda Hakan for The New York Times Supported by By Simar Bajaj Q: My allergist says that Benadryl isn’t safe. What’s the ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. For decades, diphenhydramine—best known by the brand ...