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What class of therapy is Allegra (Fexofenadine)? How considerably does Allegra (Fexofenadine) expense? What ailments or
DRUG CATEGORY AND MECHANISM: Fexofenadine is an oral, "second generation" antihistamine that is used to help remedy the signs of allergy which were due to histamine. It is similar to the some other second age bracket antihistamines loratadine (Claritin), cetirizine (Zyrtec) and azelastine (Astelin). Histamine is a chemical that is in charge of many of the signs and symptoms of allergic reactions, for example, swelling with the lining of the nose, sneezing, and itchy eyes. Histamine is released with histamine-storing skin cells (mast skin cells) and then attaches to help other cells which happen to have receptors with regard to histamine. The attachment of the histamine to the receptors factors the cell to remain "activated, " delivering other substances that produce the effects that we keep company with allergy, orite. g., sneezing. Fexofenadine streets one form of receptor with regard to histamine (the H1 receptor) and thus prevents service of H1 receptor-containing cells by histamine
