Also Known As: Mercaptopurine, Purinethol
Mercaptopurine (also called 6-mercaptopurine, 6-MP or its brand name Purinethol) is an immunosuppressive drug.
It is a thiopurine.
It is used to treat leukemia, pediatric non-Hodgkin's lymphoma, polycythemia vera, psoriatic arthritis, and inflammatory bowel disease (such as Crohn's disease and ulcerative colitis).
It has demonstrated some in vitro effectiveness against Mycobacterium paratuberculosis.