Probably none.: If you have had an adverse reaction to allegra, (fexofenadine) you should simply avoid it in the future. Immediate treatment might require other antihistamines or systemic corticosteroids - but this is unlikely.
Answered 7/20/2012
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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