Quetiapine (Seroquel) and its extended-release version are used to treat the symptoms of schizophrenia, or used with other medications to prevent episodes of mania or depression in individuals with bipolar disorder.

Founded in 1983, Sun Pharmaceutical is the fourth largest maker in the U.S. and distributes about 184 drugs in the country. Sun serves more than 150 countries through its range of product offerings. The company has 40+ manufacturing sites including in India, the U.S., and Brazil.