Fluoxetine is the generic form of the brand-name medication Prozac. It is used to treat depression, obsessive-compulsive disorder, anxiety, panic attacks, some eating disorders, and menstrual symptoms.

Founded in 1978, Par Pharma carries around 127 generic drugs. It has manufacturing and packaging facilities in both the United States and in India, through the acquisition of the India-based contract research organization Ethics Bio Lab. Par Pharma is an operating company of Endo International. The company has 4 manufacturing sites in U.S. (New York, California, Michigan); 5 facilities in India.