ZYRTEC(R) was the #1 prescribed antihistamine by physicians. It provides indoor and outdoor upper respiratory allergy relief, lasting up to 24 hours. ZYRTEC(R) is available where over-the-counter medications are sold without the prescription.

The most common types of allergies are caused by pollen and dust mites. ZYRTEC? can relieve the symptoms associated with these allergies and its gold to against your worst indoor and outdoor allergy symptoms.