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A member asked:
What are some anti-histamine medications that do not cause drowsiness? having a bad experience with zyrtec (cetirizine).
A doctor has provided 1 answer
Fexofenadine: Fexofenadine sold as Allegra (fexofenadine) does not cause drowsiness as it does not cross the blood-brain barrier.
Answered 11/14/2020
5.2k views
Thank
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