Frequent urination
Excessive thirst
Increased hunger
Unexplained weight loss
Fatigue
Blurred vision
Slow-healing cuts or sores
Frequent infections
Numbness or tingling in the hands or feet
Darkened skin in body folds or creases
Dry mouth
Itchy skin
Check blood sugar with a glucose meter
Get a fasting blood sugar test
Get an A1C test
Get an oral glucose tolerance test
See a healthcare professional for diagnosis