Excessive use of steroids can cause various health complications. These include thinning of the skin, high blood sugar level and weaker bones. According to doctors, quitting steroids after prolonged intake can lead to severe depression. "Steroids, although considered as life-saving medicines, can also cause certain side-effects. These side-effects even include thin skin, a higher blood sugar level, dry mouth, and irregular menstrual cycles," said Behram Pardiwala, consultant, internal medicines, Wockhardt Hospitals, in a statement.