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 ...

allergy, and critical care at Penn Medicine. “While antihistamines [like Zyrtec and Claritin] can help with sneezing, itching ...

Both Zyrtec and Zyrtec-D provide relief from allergy symptoms. They both contain cetirizine, an antihistamine. Antihistamines are a class of medications that help relieve allergy symptoms by ...

For lots of people, allergy treatment is reactive. You get stuffed up, your eyes water, and then you go to the medicine cabinet for relief. Most OTC and prescription antihistamines begin to work ...

A woman with a known nut allergy had a severe allergic reaction ... The woman visited a hospital and was given 10 milligrams of cetirizine, an oral antihistamine that's typically used to treat ...