Imuran is used to treat Ulcerative Colitis. The generic version is called Azathioprine. The average Imuran cash price is about $157.51 for a supply of Tablet 50 MG 30 pcs. You can reduce your Imuran cost by up to 75% with our free Imuran discount card. Bring it to a participating pharmacy near you to save on your prescription medication.