Azathioprine (ay-za-THYE-oh-preen) belongs to the group of medicines known as immunosuppressive agents. It is used to reduce the bodys natural immunity in patients who receive organ transplants. It is also used to treat rheumatoid arthritis. Azathioprine may also be used for other conditions as determined by your doctor.
Azathioprine is a very strong medicine. You and your doctor should talk about the need for this medicine and its risks. Even though azathioprine may cause side effects that could be very serious, remember that it may be required to treat your medical problem.
