• Excessive thirst
• Increased urinary frequency
• Unusual weight loss
• Blurry vision
• Increased hunger
• Increased skin, bladder or gum infections
• Irritability
• Tingling or numbness in hands or feet
• Slow to heal wounds
• Increased unexplained fatigue

Sometimes, patients with type 2 diabetes may not experience the above symptoms until the disease reaches a later stage. In fact, up to a third of the people with diabetes do not know they have diabetes.