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A member asked:
Zyrtec (cetirizine) works best for my allergy symptoms, but full 10 mg pill makes me pretty groggy for next 24 hrs. is it safe to split zyrtec (cetirizine) pill into 5 mg dose?
A doctor has provided 1 answer
Yes: You can take it either once or twice a day at the 5mg dose. Just don't go over 10mg max per day.
Answered 10/4/2016
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