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Zyrtec 

 

Cetirizine hydrochloride (marketed as Zyrtec, or Zirtek in the United Kingdom) is a medication used for the treatment of allergy, hayfever, angioedema, and hives. It is a second-generation H1-receptor antagonist antihistamine and works by blocking H1 histamine receptors. It is a major metabolite of hydroxyzine, and has the same basic side effects.

A drug allergy is an allergy to a drug, most commonly a medication. Medical attention should be sought immediately if an allergic reaction is ...


Cetirizine as related to Drug allergies