Imuran (azathioprine) is an immunosuppressive antimetabolite used to prevent the body from rejecting a transplanted kidney. Imuran is also used to treat symptoms of rheumatoid arthritis. Imuran is available in generic form. Common side effects of Imuran include:
upset stomach, nausea, vomiting, diarrhea, loss of appetite, hair loss, or skin rash.
ell your doctor if you experience unlikely but serious side effects of Imuran including:
muscle loss, hair loss, cold/numbness in the fingers, mouth sores, difficult/painful swallowing, or greasy stools.