Salix Wins FDA Approval of Dragon’s Blood Drug for Diarrhea

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Salix Pharmaceuticals Ltd., a maker of gastrointestinal drugs, won U.S. clearance to sell Fulyzaq, the first approved medicine to treat HIV-associated diarrhea.

The Food and Drug Administration approved the Raleigh, North Carolina-based company’s application to sell Fulyzaq, or crofelemer, to people with the virus that causes AIDS. Diarrhea is a common reason why those with HIV stop or switch antiretroviral therapies, the agency said in a statement today.