About ZYRTEC®
Start with ZYRTEC® as your foundation for consistent relief1
Whether it’s itchy, watery eyes or runny, itchy noses, ZYRTEC® has patients’ allergy symptoms covered—with fast,* effective relief.2,3


ZYRTEC® starts working at hour 1 on the first day you take it*2,3
- ZYRTEC® starts working fast—at hour 1*2,3
- Provides 24-hour relief of symptoms
ZYRTEC® delivers long-term, consistent relief1
- In SAR, relief continued over a 2- to 4-week treatment period†4
- In PAR, relief continued over a 4- to 8-week treatment period‡5
ZYRTEC® provides relief that patients can start and stay with
- ZYRTEC® is generally well tolerated
- Discontinuation due to adverse events in clinical trials was not significantly different between ZYRTEC® and placebo (2.9% vs 2.4%, respectively)
- In clinical trials, 14% of patients taking ZYRTEC® 10 mg reported somnolence (n=2034) vs 6% with placebo (n=1612)1
- In clinical trials, 1% of patients discontinued due to somnolence1
ZYRTEC® significantly improves quality of life (QoL)1,6
Patients receiving ZYRTEC® reported significantly greater improvements in overall RQLQ scores compared with placebo
- 56% to 63% greater improvement vs placebo in SAR patients§6
- 80% greater improvement vs placebo in PAR patients||1
ZYRTEC® contains cetirizine, an established molecule for effective allergy relief1
Compare ZYRTEC® vs Xyzal® and other OTC oral antihistamines
ZYRTEC® is the #1 Allergist-recommended brand¶
¶Among OTC oral antihistamines.
ZYRTEC® provides relief for different ages and stages. Learn about Children’s ZYRTEC®
Get expedited shipping on samples and resources with ZYRTEC ZIPLINE®
See the ZYRTEC® difference
Compare ZYRTEC® vs other OTC oral antihistamines.
Patient resources for allergy care
Help patients understand and better manage their allergies with these valuable resources.
