Azathioprine lowers your body’s immune system. The immune system helps your body fight infections. The immune system can also fight or “reject” a transplanted organ such as a liver or kidney. This is because the immune system treats the new organ as an invader.
Azathioprine is used to prevent your body from rejecting a transplanted kidney. It is also used to treat symptoms of rheumatoid arthritis.
Azathioprine may also be used for purposes not listed in this medication guide.
Along with its needed effects, azathioprine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking azathioprine: