Skip to main content
Email Signup & Rewards
Healthcare Professionals
Español
Zyrtec Logo
Where to Buy

Contact Us

Frequently Asked Questions

ZYRTEC® relieves your worst allergy symptoms of sneezing, runny nose, itchy, watery eyes, and itchy nose or throat.

An antihistamine is a drug that blocks the action of histamine—an allergy-causing chemical that’s released by certain cells in the body. Antihistamines are used to treat runny nose, sneezing and other allergy symptoms.

ZYRTEC® begins to work at hour 1 on the first day you take it.

Don’t see your questions? See FAQ page.

VIEW ALL FAQS

Email Us

For all other comments, questions, and feedback about our products, please email us. Please note: our response time to emails is typically between 48-72 hours.

EMAIL US

Call Us

For an immediate response or to report an adverse event or a side effect from our products, please call us at

Monday – Friday 9:00am – 5:30pm ET

1-800-343-7805

Where to Buy location indicator
BUY ZYRTEC

Where to Buy

Where can I purchase your products in my area? Where can I buy your products online?

WHERE TO BUY
Link to Allergy Forecast page
ALLERGY FORECAST

Get Pollen And Weather Info On The Go!

Check out our AllergyCast apps and tools that can help you track your allergy symptoms, so you can manage your day!

LEARN MORE

Stay connected

Follow us on Instagram
Like us on Facebook
YouTube Play ButtonFollow us on YouTube