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Prediabetes
Moderate
Prediabetes means blood glucose levels are higher than normal but not yet in the range used to diagnose type 2 diabetes. It often develops because the body becomes less responsive to insulin, causing glucose to remain elevated in the blood. Prediabetes may have no obvious symptoms and is often discovered through blood testing. Without appropriate lifestyle changes and follow-up, some people progress to type 2 diabetes. Early identification provides an opportunity to address modifiable risk factors and reduce future complications.
Body System
Neck & Thyroid
When to Seek Medical Attention
Prediabetes usually does not cause an emergency by itself. Seek prompt medical evaluation for symptoms suggesting markedly elevated blood glucose, such as excessive thirst and urination, unexplained weakness, vomiting, confusion, or rapidly worsening illness, particularly in someone with known diabetes or other metabolic problems.
Symptoms
2
Causes
3
Treatments
5
Diet
3
Overview
Prediabetes means blood glucose levels are higher than normal but not yet in the range used to diagnose type 2 diabetes. It often develops because the body becomes less responsive to insulin, causing glucose to remain elevated in the blood. Prediabetes may have no obvious symptoms and is often discovered through blood testing. Without appropriate lifestyle changes and follow-up, some people progress to type 2 diabetes. Early identification provides an opportunity to address modifiable risk factors and reduce future complications.
Symptoms 2
Excessive Sweating
Heat Intolerance
Causes 3
Prediabetes usually develops when the body becomes resistant to insulin or does not produce enough insulin to maintain normal blood glucose levels. Risk is influenced by excess body weight, physical inactivity, increasing age, family history of diabetes, and previous gestational diabetes. Certain ethnic and genetic backgrounds also influence risk. Conditions associated with insulin resistance can contribute. Prediabetes is not caused by eating one particular food, but long-term dietary patterns, inactivity, and excess body fat can increase the likelihood of developing it.
Insulin Resistance
Obesity
Sedentary Lifestyle
Risk Factors
Risk factors for prediabetes include overweight or obesity, increased waist circumference, physical inactivity, family history of type 2 diabetes, increasing age, previous gestational diabetes, high blood pressure, abnormal cholesterol levels, and certain ethnic or genetic backgrounds. Polycystic ovary syndrome and other conditions associated with insulin resistance can also increase risk. Risk rises when several factors occur together, but prediabetes can develop even without every recognized risk factor.
Diagnosis
Diagnosis is based on a patient's medical history,
symptoms, physical examination and, when necessary,
laboratory or imaging investigations.
Prediabetes is diagnosed with blood glucose testing rather than symptoms alone. Common tests include fasting plasma glucose, hemoglobin A1C, and an oral glucose tolerance test. Results are interpreted according to established diagnostic thresholds and may need confirmation depending on the circumstances. A clinician may also assess blood pressure, cholesterol, weight, waist circumference, family history, and other diabetes risk factors. Regular follow-up testing may be recommended because glucose levels can change over time.
Prevention
Key Prevention Tips
Prediabetes can often be managed and, in many people, progression to type 2 diabetes can be delayed or prevented through sustained lifestyle changes
Regular physical activity, a balanced eating pattern, maintaining or reaching a healthy weight when appropriate, and avoiding tobacco can reduce metabolic risk
People at increased risk should undergo recommended glucose screening
Follow-up testing is important because prediabetes can progress over time
A healthcare professional can help create an individualized prevention plan based on overall risk
Prevention Guidance
Prediabetes can often be managed and, in many people, progression to type 2 diabetes can be delayed or prevented through sustained lifestyle changes. Regular physical activity, a balanced eating pattern, maintaining or reaching a healthy weight when appropriate, and avoiding tobacco can reduce metabolic risk. People at increased risk should undergo recommended glucose screening. Follow-up testing is important because prediabetes can progress over time. A healthcare professional can help create an individualized prevention plan based on overall risk.
Reminder: Prevention recommendations should be tailored to your personal health status and risk factors.
Treatment & Management 5
Detailed treatment guidance is currently being prepared.
Detailed treatment guidance is currently being prepared.
Detailed treatment guidance is currently being prepared.
Detailed treatment guidance is currently being prepared.
Detailed treatment guidance is currently being prepared.
Medical Note: The treatment information provided is intended for educational purposes only.
Always consult a qualified healthcare professional before starting,
stopping, or changing any treatment.
Diet & Nutrition 3
Recommended Foods
High Fiber Foods
Help regulate blood sugar.
Vegetables
Low calorie and nutrient rich.
Whole Grains
Support healthy metabolism.
Foods to Avoid
Sugary Foods
Can raise blood glucose levels.
Sweetened Beverages
Increase diabetes risk.
Medical Nutrition Note: Diet recommendations are intended for general educational purposes and should be tailored to individual health needs by a qualified healthcare professional.
Frequently Asked Questions 5
A condition where blood sugar is higher than normal but not yet diabetes.
Insulin resistance is the primary cause.
Yes, without lifestyle changes it may progress to diabetes.
Blood sugar and HbA1c testing are used.
Many people can reverse it with diet and exercise.
Helpful Tip: These answers provide general medical information.
Consult your healthcare provider for advice tailored to your condition.