ACTIVE INGREDIENT: The active ingredient in Amazon Basic Care All Day Allergy is cetirizine hydrochloride, an antihistamine approved for the treatment of both indoor and outdoor allergy symptoms ...

In people prone to allergies, exposure to pollen and allergens triggers the release of histamine—a chemical responsible for ...

A common antihistamine may offer hope for patients with a rare genetic disease that can lead to severe liver damage and ...

ACTIVE INGREDIENT: These allergy relief tablets contain diphenhydramine HCl 25 mg, an antihistamine, which compares to the active ingredient in Benadryl Allergy Tablets MULTI-SYMPTOM RELIEF ...

Benadryl (diphenhydramine) is an over-the-counter (OTC) antihistamine commonly used to treat allergies that is also sometimes used as a sleep aid for insomnia. Benadryl is only intended for the ...

Different medications can treat allergies, including steroids and allergy shots, but one of the first things to try is an antihistamine. These are over-the-counter (OTC) and prescription ...

Researchers find that allergy medicine could help patients with a rare genetic disease avoid liver transplants.

If you turn to this old standby for relief when allergy symptoms hit, the FDA says a generic type was "imprinted" with the ...