PPRuNe Forums - View Single Post - CAA Approved medicines for hayfever Companies try this tactic to gain new patents and extend the profitability of medications. Skygazer - the terfenadine /fexofenadine Seldane/Allegra story is an interesting one Seldane was one of the most successful and profitable drugs ever created.
The Ten Worst Drug Res In The History Of The FDA - 24/7 Wall St. Generic Name: Fexofenadine Hydrocoride Class: Second Generation Antihistamines ATC Class: R06AX26 VA Class: AH106 Chemical Name: 4-[1-Hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl] butyl]-α,α-dimethylbenzeneacetic acid hydrocoride Molecular Formula: C 24 Hour tablets contain 60 or 180 mg of fexofenadine hydrocoride, respectively, in an immediate-release layer and 120 or 240 mg of pseudoephedrine hydrocoride, respectively, in an extended-release matrix layer that slowly releases the drug. Following Seldane's re, Hoechst was able to mitate its damages to some degree by introducing Allegra, a drug very similar to Seldane but.
Seldane Pulled for a Safer Allergy Drug - latimes Duing an allergic response, in your nose for example, if a pollen grain is recognized by specific receptors that trger release of histamine. The agency had argued that Seldane was no longer needed because of the availability of the company's alternative drug, Allegra, a compound chemiy similar to Seldane but considered safer.
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