Diabetic ketoacidosis (DKA) is an acute, major, life-threatening complication of diabetes. In this study sixty- three patients were included; history, clinical examination, and laboratory investigations were performed. It was concluded from the study that infection, delayed diagnosis of type 1 diabetes and omission of insulin dose are the most important risk factors precipitating DKA. It was also concluded that, the current treatment protocols is efficient, safe and reliable.