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Zyrtec or allegra (fexofenadine) for hives: which is the better antihistamine?
What if I am concerned my hives are caused by an antihistamine in the first place? I.E. Zyrtec and allegra (fexofenadine)
Hi. I broke out with extreme hives about a week ago, with intense itching. I started taking an antihistamine in Fexofenadine. It works perfectly. I have been taking it for a week, but I am afraid to stop the treatment in case the hives come back. ?
I've had hives from taking benadryl. Rare but true. Is allegra (fexofenadine) safe for me? Different chemical or the same as diphenhydramine?
Whats the difference between a first generation antihistamine like chlorpheniramine and second generation antihistamines like allegra (fexofenadine)?
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