How long does it take for diabetes to start causing problems with your kidneys and heart if u dont realize u have it ?

Develops slowly: Signs/symptoms/complications of type 2 diabetes often develop slowly. Look for: Increased thirst, Frequent urination, Increased hunger, Unintended weight loss, Fatigue, Blurred vision, Slow-healing sores, Frequent infections, Areas of darkened skin, usually in the armpits and neck. Complications like kidney/heart problems depend on how high your blood glucose is and many other factors. See your Dr