 In Bangladesh and India, lubiprostone is marketed under the trade name Lubilax by Beacon Pharmaceuticals, and under the trade name Lubowel by Sun Pharmaceutical.Lubiprostone is used for the treatment of chronic constipation of unknown cause in adults, as well as irritable bowel syndrome associated with constipation in women.Lubiprostone is approved to treat chronic idiopathic constipation (CIC) in adults.