Ondansetron (Zofran) is used to prevent nausea and vomiting, especially those caused by cancer chemotherapy, radiation therapy, surgery, and morning sickness.

Founded in 2002, Amneal Pharmaceuticals distributes more than 225 drugs in the U.S. In 2011, it was the seventh largest generics company in the country. Amneal has 14 manufacturing sites including in the U.S., India, and Ireland