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ZYRTEC Allergen Shield

A drug-free nasal mist designed to help allergy sufferers stay one step ahead of allergy season. Unlike typical nasal sprays, ZYRTEC™ Allergen Shield works by forming a lightweight protective barrier inside the nasal cavity to block allergens.

Protective barrier to block allergens

Zeize the Day with ZYRTEC®

Sometimes allergies have you trying every trick. ZYRTEC® provides multi-symptom allergy relief that works fast* & lasts a full 24-hours so you can share your most unique, fun, and best self with the world! ​



*Starts working at hour 1

Explore ZYRTEC®

Woman asking a doctor a question about a product in a pharmacy
PRODUCTS

ZYRTEC® Dosage Guide

Whether you need to know ZYRTEC® dosages for adults or children, check out our dosing charts and FAQs for the ZYRTEC® family of products, to find all the information you need.

Chemical structure of Zyrtec's active ingredients.
ABOUT ZYRTEC

Our Ingredients

Having allergies can be frustrating at times, whether they’re making your eyes itch, your nose run, or a combination of the two. So, it’s a relief to know that antihistamines can help relieve your symptoms.

An illustration of the ZYRTEC® ALLERGYCAST® app icon, featuring a smartphone with pollen level gauge
ALLERGY FORECAST

Get Pollen And Weather Info On The Go!

Check out our ZYRTEC® AllergyCast® app & tools that can help you track your allergy symptoms, so you can manage your day!