Not Medical Advice: White, ovel-shape pill with 4H2 imprint has been identified as Cetirizine hydrochloride 10 mg.
Cetirizine belongs to the drug class antihistamines. It reduces the natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.
Cetirizine is used to treat allergic rhinitis, urticaria and cold or allergy symptoms such as sneezing, itching, watery eyes, or runny nose.
Need some helpful tips for combating your allergies? Check out Allergy-Season Survival Tips from The Dr. Oz Show.