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.

Get allergy relief with ZYRTEC® Antihistamine Tablets with 10 mg Cetirizine HCl. These allergy tablets help relieve your indoor & seasonal allergy symptoms.

Cetirizine is an antihistamine often used to treat allergy symptoms. In this guide, we explore how it works, its side-effects and correct dosage.

ZYRTEC® helps relieve common allergy symptoms due to hay fever or other upper respiratory allergies. Learn more about what ZYRTEC® can do for you.

ZYRTEC-D ® Allergy Relief and Nasal Decongestant Tablets contain 5 mg cetirizine HCl antihistamine and 120 mg pseudoephedrine decongestant for relief from nasal congestion, …

Explore the full line of ZYRTEC® allergy symptom relief products for adults & kids ages 2+ to find the ZYRTEC® allergy medicine that’s right for you.

Get effective relief from allergy symptoms caused by hay fever and other upper respiratory allergies with easy-to-take Zyrtec Allergy Relief Dissolve Tablets. This prescription-strength …

Explore ZYRTEC® allergy medicine products for adults. Made with Cetirizine HCl, our adult antihistamine products provide fast & effective allergy treatment.

This flexible low dosage allergy medicine helps relieve your light to moderate symptoms, including those from seasonal allergies, indoor allergies, pet allergies, & more. Get 24 hours of allergy …

Learn about the active & inactive ingredients in ZYRTEC® antihistamine products for children & adults. Discover each ZYRTEC® ingredient & what it does.