Thirst does not determine the type of diabetes mellitus, it may be type 1 diabetes mellitus, type 2 diabetes mellitus, or uremic syndrome, dry syndrome, etc. It is recommended to consult a doctor. Thirst, excessive urination and drinking are typical symptoms of diabetes mellitus. both type 1 and type 2 diabetes mellitus can be characterized by increased plasma osmolality due to elevated blood glucose, which can lead to thirst, so both type 1 and type 2 diabetes mellitus may be characterized by thirst. You can’t judge the type of diabetes just by thirst. To judge type 1 and type 2 diabetes, you can look at the age of onset, autoantibodies, etc. If the disease develops in children, most people have type 1 diabetes, and most people who develop the disease after middle-age or old age have type 2 diabetes. To confirm the type of diabetes, diabetes autoantibody testing can be refined, and autoantibody testing for type 1 diabetes is usually positive. Thirst can also be present in dry syndrome and uremic syndrome, which is characterized by dry eyes and joint pain in the extremities, and is diagnosed by refining the antinuclear antibody profile. Uremia, in addition to thirst, is characterized by a marked increase in urine output, usually greater than 4 liters per day, accompanied by severe thirst. If the symptoms of severe thirst to go to the hospital to clarify the diagnosis, according to the doctor’s prescription medication.