diabetes with no symptoms of type II diabetes often do not manifest and can be detected by routine inspection by the biochemical analysis of blood and urine. diabetes mellitus Yes, a hereditary disease, both types of diabetes mellitus in a certain way can be inherited, transferred or rather a predisposition to the disease, and is independent from external influences, manifest diabetes in particular person or not. drugs or other diseases cause diabetes mellitus This is called secondary (sekundarnym diabetes), diabetes can be symptoms of another disease. Diabetes can cause Some drugs, such as corticosteroids (adrenal hormones) used in the treatment of rheumatic diseases, asthma: nonspecific intestinal inflammation (Crohn's disease, koloproktita), skin disease (severe forms of eczema) or some inflammation of the kidneys (glomerulonephritis). Cause of secondary diabetes may be other drugs – diuretics (diuretics), containing thiazides, used to treat hypertension and heart failure.

Diabetes mellitus may occur as a symptom of disease of the pancreas (after inflammation, and hemochromatosis), under certain hormonal disorders and severe malnutrition. Some 'Quiescent') diabetes mellitus. It is detected only by laboratory analysis of so-called glucose tolerance test, the patient drinks a solution of glucose (sugar) – 75 g in 100 ml of water – and the level of sugar in Blood found out how quickly his body is able to process this sugar. Patients with impaired glucose tolerance, it is likely that in 10-15 years they have actually develop diabetes. This disease is not to be treated, requires medical supervision only. doctor makes a diagnosis of diabetes if the patient has symptoms typical of diabetes (thirst, urination strong, hunger or weight loss), enough research on blood sugar. If the level is elevated, it is diabetes. If the patient has typical symptoms of diabetes, but there are only a suspicion of diabetes, glucose tolerance test is performed, the principle of which is described above.