
Cetirizine is an antihistamine often used to treat allergy symptoms. In this guide, we explore how it works, its side-effects and correct dosage.
Learn about what ZYRTEC® can do to help relieve common allergy symptoms.
What does a decongestant do? Learn all about decongestants for allergies, including how they differ from antihistamines.
Get the ZYRTEC® AllergyCast® app for your daily pollen forecast.
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