Zyrtec® (cetirizine hydrochloride)
for Allergy

Zyrtec (cetirizine hydrochloride) is an antihistamine used in adults and children to treat allergy or cold symptoms like sneezing, itching, watery eyes, and runny nose. It is also used to relieve itching and swelling caused by chronic urticaria (hives). Zyrtec works by blocking the effects of histamine, a natural chemical in the body that causes these symptoms.

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