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A 24-year-old male asked:

Zyrtec (cetirizine) makes me very drowsy. is this common and are there non-drowsy antihistamines that provide as effective allergy relief? thanks

1 doctor answer3 doctors weighed in
Dr. Felecia Sumner
Family Medicine 11 years experience
Yes: This is a common side effect of Zyrtec, but it is different for everyone. If Zyrtec makes you drowsy, you could try the other 2 common anti-histamines instead - Allegra or Claritin (loratadine). Some people have been drowsy with these medicines as well, but others have not. Best wishes.
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Last updated Aug 26, 2014


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