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Image Winter Allergies
Outdoor Allergies

Understanding Winter Allergies

Discover what causes winter allergies and the steps you can take to manage your winter allergy symptoms.
Woman outside on a sunny spring day standing Infront of a blossoming floral tree with a smile on her face.
Allergy Treatment

Types of Allergy Medicine

Find out what kinds of allergy treatments are available, and how they work to relieve your symptoms.
Women suffering from allergies and blowing her nose while outside
Allergy Symptoms

Common Allergy Symptoms and How to Get Relief

Learn more about allergy symptoms and how to identify common signs of a reaction. Find out how you can seek relief from allergies with ZYRTEC®.
Sore Throat
Allergy Symptoms

Sore Throat From Allergies: Symptoms and Remedies

Many people will experience a sore throat from their allergies. Find out more about this symptom, and how you might be able to soothe it.
Illustration of an orange cat on a green background
Indoor Allergies

Allergies To Cats: Symptoms, Treatment and Causes

Although our feline friends are so fondly regarded that they’re found in an amazing one third of all households, cats are also the leading driver of pet allergies in the US.
AllergyCast app
Allergy Forecast

Discover Your Allergy Forecast with ZYRTEC®

Get allergy forecasts & see pollen counts near you today with our online allergy index tool or try the ALLERGYCAST® app for a personalized allergy forecast & tracker.
Cetirizine hydrochloride chemical structure
Allergy Treatment

What Is Cetirizine Hydrochloride (HCl), And What Is It Used For?

Cetirizine is an antihistamine often used to treat allergy symptoms. In this guide, we explore how it works, its side-effects and correct dosage.
Illustration of a person with a mask on, surrounded by plants, fruits, and vegetables
Outdoor Allergies

Understanding Summer Allergies: Causes, Symptoms & Management Tips

Don’t let allergies ruin your summertime fun. Learn all about June, July, August & September allergies, plus discover common causes & symptoms of summer allergies & more
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