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ZYRTEC® VS. CLARITIN®<sup>1</sup>

What Are Some Differences Between ZYRTEC® and Claritin®?

When your eyes start itching or your nose starts running, which allergy medicine do you turn to? Both Claritin® and ZYRTEC® help treat common allergy symptoms. ZYRTEC® starts working at hour 1 on the first day you take it while Claritin® doesn’t start working until hour 3.2 See more in the ZYRTEC® and Claritin® allergy medicine comparison chart below.

      ZYRTEC® vs. Claritin®

ZYRTEC® Tablets
(cetirizine hydrochloride)


Starts working at hour 1 on the first day
you take it2
Allergy app with daily Allergy Impact  
Relieves itchy, watery eyes  
Relieves sneezing, runny nose and itchy
Relieves itchy throat  
Relieves nasal congestion  
24-hour relief
Liquid gel form  
Tablet form  
Dissolving tablet form  


Why Choose ZYRTEC®?

Stick with ZYRTEC® for powerful relief of your worst allergy symptoms3 that lasts all day and all night. It works fast2 and stays strong day after day on both indoor and outdoor allergies.