Intense thirst even though drinking lots of fluids.

Self-care for thirst caused by diabetes mellitus includes controlling blood sugar levels. This includes healthy eating, regular exercise, losing weight and taking medicines if needed.

See a health care professional if there is:

• Ongoing thirst with no known cause.
• Weight loss.
• Blurry vision or tiredness.
• Passing of more than 3 quarts (2.84 liters) of urine a day.