<prompt> A 55 yr old male, with uncontrolled diabetes mellitus and hypeension, developed severe airborne contact dermatitis. The most appropriate drug for his treatment would be:Systematic coicosteroidsketoconazoleAzathioprineCyclosporine  <response>: Case of contact dermatitis - Systematic coicosteroids cannot be used because pt. has DM steroid cause impairment of blood glucose levels in well-controlled diabetics. Cyclosporine cannot be used as pt. is Hypeensive and it is a nephrotoxic drug. ketoconazole is antifungal drug. Therefore, Azathioprine immunosuppressant can be used in this case 