What side effects may I notice from receiving Azathioprine?

Side effects that you should report to your doctor or health care professional as soon as possible:
-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-changes in vision
-confusion
-fever, chills, or any other sign of infection
-loss of balance or coordination
-severe stomach pain
-unusual bleeding, bruising
-unusually weak or tired
-vomiting
-yellowing of the eyes or skin

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-hair loss
-nausea

This list may not describe all possible side effects for Azathioprine. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.