The three main signs diabetes
mellitus are known the diabetic triad:
polyuria, and polyphagia.

Polyuria is excessive elimination of
urine; diabetes it is caused
reduced water resorption in renal
tubules due to osmolarity of
the glomerular (caused by
excessive glucose). is the
exaggerated ingestion water; the
thirst is to the excessive water
in the urine. Polyphagia the
exaggerated ingestion of caused by
deficiency in generation by
glucose-lacking cells.