Mild, moderate, or severe allergy symptoms—ZYRTEC® works
ZYRTEC® starts working fast1,2* and provides full 24-hour relief.† Regardless of symptom severity, start with ZYRTEC®.
Children’s ZYRTEC® delivers effective relief in kid-friendly forms and flavors
Convenient, once-daily dosing provides 24-hour allergy relief for pediatric patients.
ZYRTEC® starts working at hour 1 the first day you take it; Claritin® at hour 31,2*
A good reason to start with ZYRTEC®.
Get free samples and resources
Support your patients, with support from ZYRTEC®.
Share patient resources that matter
Access allergy education materials to download, print, or email.
*Standard data rates apply.
*ZYRTEC® 10 mg starts working at hour 1 and Claritin® starts working at hour 3, based on first dose on the first day of a 2-day study in 2 pollen-chamber studies. Primary endpoint measured mean improvement from baseline in Major Symptom Complex (MSC) severity score. MSC symptoms included runny nose, sniffles, itchy nose, nose blows, sneezes, and watery eyes.
†ZYRTEC® relieves sneezing; runny nose; itchy, watery eyes; and itching of the nose or throat.
References: 1. Day JH, Briscoe M, Widlitz MD. Cetirizine, loratadine, or placebo in subjects with seasonal allergic rhinitis: effects after controlled ragweed pollen challenge in an environmental exposure unit. J Allergy Clin Immunol. 1998;101(5):638-645. 2. Day JH, Briscoe M, Rafeiro E, Chapman D, Kramer B. Comparative onset of action and symptom relief with cetirizine, loratadine, or placebo in an environmental exposure unit in subjects with seasonal allergic rhinitis: confirmation of a test system. Ann Allergy Asthma Immunol. 2001;87(6):474-481.