(a) Diabetes mellitus is "a diseases in which excessive
quantities of sugar is present in the blood and is excreted by the urine." ,
(b) Diabetes insipidus, on the other hand, is a disease characterized by the excessive elimination of the urine, but the urine in this case does not contain sugar. The latter condition is due to disturbances in a part of the pituitary gland, whereas diabetes mellitus is associated with a faulty functioning of (c) A patient suffering from diabetes drinks large amount of water as he often feels thirsty.
(d) Other symptoms are increased urination, excessive loss of body weight and weakness.
(e) The only treatment of this diseases is taking of
insulin regularly in required doses and a proper sugarfree diet.