Dr. Reddy's Laboratories Ltd. reaches the market first with a generic equivalent of Allegra-D 12 Hour Allergy & Congestion, starting distribution following FDA approval on the same day a patent expired for the branded product.
Sanofi, through its U.S. subsidiary Chattem Inc., began marketing Allegra, Allegra-D and Children’s Allegra non-sedating antihistamine products OTC in 2011 following FDA’s approval of its Rx-to-OTC new drug...
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