A steroid is a biologically active organic compound having immunosuppressive action in living organism. Different classification of steroids are available in pharmaceutical industry. Steroids are mostly suggested by clinician to patients for the reduction of inflammation caused by body immune system. Steroid can cause elevation of patient blood sugar level. Those who take steroid for a longer period of time are more susceptible to develop steroid induced diabetes mellitus. The most commonly used steroids are prednisone and cortisone. These drugs promote glucose production in liver and reduce the sensitivity of cells to insulin. A 74 year old male patient suffering from mononeuritis multiplex was advised to take Inj. Methyl Prednisolone. The administration of this drug lead to a rise in his blood sugar level. It is a typical case of steroid induced diabetes mellitus.

Keywords : Diabetes Mellitus, Steroids.