Allegra Fexofenadine HCL Pharmaceutical DRUG REP NOTE PAD Paper Anti Histamine for Sale

Allegra Fexofenadine HCL Pharmaceutical DRUG REP NOTE PAD Paper Anti Histamine For Sale

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Allegra Fexofenadine HCL Pharmaceutical DRUG REP NOTE PAD Paper Anti Histamine:
$58.00

The older antihistaminic agent terfenadine was found to metabolize into the related carboxylic acid, fexofenadine. Fexofenadine was found to retain all of the biological activity of its parent while giving fewer adverse reactions in patients, so terfenadine was replaced in the market by its metabolite.[20] Fexofenadine was originally synthesized in 1993 by Massachusetts-based biotechnology company Sepracor, which then sold the development rights to Hoechst Marion Roussel (now part of Sanofi-Aventis), and was later approved by the U.S. Food and Drug Administration (FDA) in 1996. Albany Molecular Research Inc. (AMRI) holds the patents to the intermediates and production of fexofenadine HCl along with Roussel. Since that time, it has achieved blockbuster drug status with global sales of $1.87B USD in 2004 (with $1.49B USD coming from the United States). AMRI received royalty payments from Aventis that enabled the growth of AMRI.[citation needed]

Fexofenadine, sold under the brand name Allegra among others,[1] is an antihistamine pharmaceutical drug used in the treatment of allergy symptoms, such as hay fever and urticaria.[6] Therapeutically, fexofenadine is a selective peripheral H1-blocker.

On January 25, 2011, the FDA approved over-the-counter sales of fexofenadine in the United States, and Sanofi Aventis' version became available on March 4, 2011.[21]

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