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A member asked:
Chlorpheniramine maleate or allegra (fexofenadine) which is safer?
A doctor has provided 1 answer
Both: Antihistamines are extremely safe. Any antihistamine can cause drowsiness, but second-generation antihistamines are much less likely to do so. Drowsiness with chlorpheniramine is the biggest side effect to watch for, between these two meds.
Answered 2/26/2018
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