The Clinical Features

Diabetes mellitus are of two types. Type I Diabetes Mellitus has an early onset, usually by age 20, with normal weight and is manifested with signs of altered metabolism: polyuria (excessive urination), polydipsia (having too much thirst), and polyphagia (increased appetite). Patients usually experience ketoacidosis (excessive levels of acid and ketones in the blood), have low or absent plasma insulin, and high blood glucose levels. Insulin replacement is therefore needed.

Type II Diabetes Mellitus, on the other hand, usually begins at an older age (by 40's), with polydipsia and polyuria, and sometimes (but not necessarily), obesity.

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