A member asked:

For how long should i take allegra (fexofenadine) as i didnt feel better after two days?

A doctor has provided 1 answer

1-2 weeks: Take it 1-2 weeks before deciding if it helps or not.

Answered 5/31/2018

3.1k views

Thank

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How many days does it take for allegra (fexofenadine) to work?

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