Discover Your Allergy Forecast with ZYRTEC®
We're here to help you understand allergies so you can conquer them! Discover articles to help you learn about and manage all types of allergies.
What Is Cetirizine Hydrochloride (HCl), And What Is It Used For?
Allergy Muddlers in America
6 Things to Know About Sinuses
What are Antihistamines and How Do They Work?
Learn all about antihistamines, including what they are, how they work, what they treat & more. Plus, find answers to frequently asked questions about antihistamines.
Itchy, Runny Nose from Allergies: Causes, Symptoms and Relief
Itchy Throat from Allergies: Causes and Treatment
An itchy throat can feel scratchy, ticklish, and uncomfortable – especially irritating when you talk or swallow.
About Mold & Mildew Allergies: Symptoms, Treatment & Prevention