Tizanidine is the generic form of the brand-name medication Zanaflex. It is a muscle relaxant used to treat muscle spasms and reduce pain by blocking pain signals from reaching the brain.

Founded in 1984, Dr. Reddy's Laboratories distributes more than 200 drugs in the U.S. It serves 30 countries in total through its range of product offerings, with the U.S., India, Russia, and Europe as some of its largest markets. Dr. Reddy's has 22 manufacturing sites including in the U.S, India, and China.