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A member asked:
Is it harmful to double up on 24 hr allegra (fexofenadine) during allergy season? (take two tabs 12 hrs apart daily)
A doctor has provided 1 answer
No: Taking 2 Allegra (fexofenadine) per 24 hours period is safe. Make sure to stay hydrated as sometimes double dosing antihistamines can make you thirsty.
Answered 3/5/2020
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