Duloxetine is the generic form of the brand-name medication Cymbalta, which is used to treat depression, anxiety disorder, and nerve pain.

Founded in 1968, Lupin Limited is the fifth largest provider in the country and distributes more than 180 drugs in the U.S. Lupin serves a total of 100 countries through its range of product offerings. It has 15 manufacturing sites including the U.S., India, and Brazil.