No: Allegra (fexofenadine) is a non-sedating antihistamine.
Answered 6/24/2014
5.2k views
Should not: 99 % it should not make you sleepy, but I have heard pt saying sometimes I feel sleepy after taking allegra, (fexofenadine) probably indirectly pt might be tired.
Answered 4/1/2023
5.2k views
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