Skip to main content
Where to Buy
Español

Understanding Allergies

Woman sneezing from allergies
Understanding Allergies
Types
Understanding Allergies
Symptoms
Understanding Allergies
Treatments

Featured Articles

More To Explore

Types
How Do You Know If You Have a Dust Allergy?

By Kristen Stewart

Understanding Allergies
Can Allergies Cause Jaw Pain?

When you experience jaw pain, your mind may jump to reasons such as teeth grinding or toothaches. By going for the obvious, however, you may overlook something as simple as allergies causing your jaw pain.

Understanding Allergies
What Exactly Is a Pollen Allergy?

Many people welcome spring with its warmer weather, longer days, and blossoming flowers and trees.

Find out what ZYRTEC® is used for.
Treatment
What Is ZYRTEC® Used For?

ZYRTEC® is an over-the-counter medicine that contains cetirizine HCl, which is an antihistamine. It helps provide 24-hour relief due to hay fever or other upper respiratory allergies.

Types
Eye Allergies: Causes And Treatment

If you have persistent eye irritation, such as itchy and watery eyes, it could be caused by an allergic reaction to something in the air.

Symptoms
6 Things to Know About Sinuses

You know sinuses are in your head, but have you ever wondered exactly what they are? Here are some things to know about sinuses.

Allergy Friendly Vacation Guide
Understanding Allergies
Allergy Friendly Summer Vacations

Pages

Featured Product

Compare Zyrtec

See how Zyrtec® compares to others.

Find Out More
Get the ZYRTEC® ALLERGYCAST® app
Tools & Apps

Get the ZYRTEC® AllergyCast® app for your daily pollen forecast.

Standard data rates apply.

Get The App
Where to Buy