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A member asked:
I have been getting hives for the last month. if i take an allegra (fexofenadine) the hives stay away for two days and then come back. help.
A doctor has provided 1 answer
Allergens: Look like allergy -relieved by Allegra (fexofenadine) but you have persistent allergen around you as soon as Allegra (fexofenadine) effect wears off, it comes back. You need good history, blood work cbc, immunoglobulin and allergen patch testing. Please see an allergist/immunologist. Good luck.
Answered 1/14/2018
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