| Unlike mercaptopurine and azathioprine, its metabolism is not inhibited by the xanthine oxidase inhibitor, allopurinol. |
| Some patients have not been able to take azathioprine because of severe nausea. |
| The pompholyx began to be troublesome again shortly after the azathioprine was stopped. |
| In clinical studies the majority of the patients received ZENAPAX in combination with cyclosporine, corticosteroids, and azathioprine. |
| Other systemic immunosuppressive drugs, such as cyclosporine, azathioprine and methotrexate, may be added to steroid therapy. |
| Both azathioprine and 6-mercaptopurine are known mutagens, and azathioprine has been classified as a human carcinogen. |
