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Telfast / Allegra (Fexofenadine Hydrochloride)
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If you suffer from frequent bouts of urticarial rash, your dermatologist is likely to put you on daily dose of medicine called as antihistamines. Antihistamines are the drugs which block the action of histamine. Histamine is the substance which produces rash and itching. When antihistamine is ingested it inhibits the action of histamine, in turn relieving skin rash and itching. However, it is important to understand that histamine is released as a result of the allergic process, which is immunologically mediated.
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