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A member asked:
Is diarrhea a side effect of zyrtec (cetirizine)? i just started taking it again and have had horrible diarrhea since.
A doctor has provided 1 answer
Rare: Rare to have diarrhea from Zyrtec (cetirizine) and rare to be severe if present. Therefore may be unrelated. However, contact MD who prescribed for best advice.
Answered 7/5/2015
2.6k views
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