Diphenhydramine is the active ingredient in countless over-the-counter medications. But experts say there are serious risks ...

Benadryl is an antihistamine that can be used to treat allergies in kids. Learn more about dosage guidelines and when to ...

Published in the World Allergy Organization Journal, the paper gives several reasons why it's time to move on from Benadryl, ...

This common over-the-counter drug could be linked to dementia - Antihistamines used to aid sleep and relieve nasty allergy ...

Some allergy specialists are questioning whether one of the most familiar and oldest antihistamines, diphenhydramine, needs ...

A Quebec coroner recommends tighter control of diphenhydramine sales after an 18-year-old died from an overdose, calling its over-the-counter availability unsafe.

Certain antihistamines found in common allergy medications and sleep aids are liked to an increased dementia risk. Doctors ...

Toxicological analysis found the man had a lethal level of diphenhydramine in his blood. The drug is the sedating ingredient in some over-the-counter antihistamines including the brand Benadryl ...

"People sometimes assume these medications must be harmless because they are sold over the counter ... as first-generation antihistamines, such as diphenhydramine (ZzzQuil) and doxylamine ...