Type 2 Diabetes
A chronic condition affecting how your body processes blood sugar (glucose).
Overview
Type 2 diabetes develops when the body becomes resistant to insulin or doesn't produce enough of it, causing high blood sugar.
It's often linked to lifestyle factors and can frequently be managed — and sometimes reversed — with diet, exercise, and medication.
Symptoms
Common signs and symptoms of type 2 diabetes.
- Increased thirst and frequent urination
- Fatigue
- Blurred vision
- Slow-healing wounds
- Tingling or numbness in the hands or feet
Causes
What can lead to this condition.
- Insulin resistance
- Excess body weight, especially around the abdomen
- Physical inactivity
- Genetics
Risk factors
Factors that can increase your risk.
- Overweight or obesity
- Family history of diabetes
- Age over 45
- High blood pressure or cholesterol
- Gestational diabetes history
Diagnosis
How providers typically confirm this condition.
- A1C blood test
- Fasting plasma glucose test
- Oral glucose tolerance test
Treatment options
Approaches that help manage or resolve the condition.
- Healthy eating and portion control
- Regular physical activity
- Metformin and other glucose-lowering medications
- Blood sugar monitoring
- Weight management
Prevention
Steps that may help prevent or reduce the condition.
- Maintain a healthy weight
- Eat a balanced, high-fiber diet
- Exercise regularly
- Get screened if you have risk factors
When to see a doctor
- Symptoms like excessive thirst, fatigue, or blurred vision
- You have risk factors and haven't been screened
Seek emergency care
- Very high blood sugar with confusion, rapid breathing, or fruity breath — seek emergency care
- Severe low blood sugar with fainting or seizures — call 911
Recommended specialists & nearby providers
Connect with endocrinology providers and related specialists near you.
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Diabetes screening, education, and management (including supplies) are covered by most plans, Medicare, and Medicaid.
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