High fasting blood sugar with metformin

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Struggling with high fasting blood sugar levels despite taking metformin?

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Description of the problem

When it comes to high fasting blood sugar levels, it indicates a condition where glucose levels in the blood are elevated after fasting for a certain period, typically 8 hours or more. High fasting blood sugar levels can be a sign of prediabetes or diabetes, a chronic condition that affects how your body processes glucose.

Possible Causes and Risk Factors

Possible Causes and Risk Factors

There are several factors that can contribute to high fasting blood sugar, including insulin resistance, obesity, sedentary lifestyle, family history of diabetes, poor diet high in sugar and unhealthy fats, certain medications, and stress. It is essential to monitor and manage these risk factors to prevent complications associated with high blood sugar levels.

Causes and Risk Factors

Metformin is commonly prescribed for individuals with high fasting blood sugar levels. This medication works by decreasing the amount of glucose produced by the liver and increasing the sensitivity of muscle cells to insulin. Some of the common causes and risk factors associated with high fasting blood sugar include:

1. Obesity
2. Lack of physical activity
3. Unhealthy diet high in sugars and refined carbohydrates
4. Genetics and family history of diabetes
5. Insulin resistance
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It is important to address these causes and risk factors to effectively manage high fasting blood sugar levels. Metformin, in combination with lifestyle changes, can help individuals with prediabetes or type 2 diabetes to improve their blood sugar control and reduce the risk of complications associated with elevated blood sugar levels.

Metformin usage

Metformin is a commonly prescribed medication for managing high fasting blood sugar levels in people with type 2 diabetes. It belongs to a class of drugs known as biguanides and works by decreasing the amount of sugar produced by the liver and increasing the sensitivity of muscle cells to insulin. This helps to reduce blood sugar levels and improve overall glucose control.

Metformin is typically taken orally in the form of tablets or liquid, usually with meals to minimize potential gastrointestinal side effects. The dosage and frequency of metformin usage are determined by a healthcare provider based on the individual’s blood sugar levels, kidney function, and other factors.

Benefits of metformin usage: Potential side effects of metformin:
– Lowering blood sugar levels – Gastrointestinal issues (e.g., diarrhea, nausea)
– Improving insulin sensitivity – Vitamin B12 deficiency
– Decreasing the risk of complications from high blood sugar – Lactic acidosis (rare but serious side effect)

It is important to monitor blood sugar levels regularly while taking metformin to ensure it is effectively controlling glucose levels. Healthcare providers may also perform periodic kidney function tests to assess the medication’s safety and efficacy.

Symptoms and Diagnosis

High fasting blood sugar symptoms:

• Excessive thirst

• Frequent urination

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• Fatigue

• Blurred vision

• Slow-healing wounds

• Tingling or numbness in hands or feet


To diagnose high fasting blood sugar, the healthcare provider will perform a fasting blood sugar test after an overnight fast. A result of 126 mg/dL (7.0 mmol/L) or higher indicates diabetes. Other tests such as oral glucose tolerance test and HbA1c may also be conducted for confirmation. Symptoms along with test results help in diagnosing the condition accurately.

High fasting blood sugar symptoms

High fasting blood sugar levels can lead to a variety of symptoms that may indicate uncontrolled diabetes or other underlying health issues. Some common symptoms of high fasting blood sugar include:

  • Extreme thirst: Feeling constantly thirsty and drinking more water than usual.
  • Frequent urination: Needing to urinate more often, especially at night.
  • Fatigue: Feeling unusually tired or lacking energy throughout the day.
  • Blurred vision: Experiencing blurred or impaired vision, which may be a sign of high blood sugar levels affecting the eyes.

Additional symptoms may include:

Additional symptoms may include:

  • Increased hunger: Feeling hungry even after eating a meal.
  • Unexplained weight loss: Losing weight without trying, which can be a sign of uncontrolled blood sugar levels.
  • Slow wound healing: Cuts, bruises, or infections taking longer to heal than usual.

Treatment Options

When it comes to treating high fasting blood sugar levels with metformin, a multifaceted approach is often recommended. Along with taking your prescribed medication, it’s crucial to make positive lifestyle changes to manage your condition effectively.

Dietary Adjustments

One of the key aspects of managing high fasting blood sugar is maintaining a healthy diet. Your healthcare provider or a nutritionist can help you create a meal plan that focuses on whole foods, vegetables, lean proteins, and complex carbohydrates. Limiting processed foods, sugary beverages, and high-fat foods can also help in controlling your blood sugar levels.

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Regular Exercise

Physical activity plays a vital role in managing high blood sugar levels. Engaging in regular exercise, such as brisk walking, cycling, or strength training, can help improve insulin sensitivity and lower blood sugar levels. Aim for at least 150 minutes of moderate-intensity exercise per week, as recommended by healthcare professionals.

Medical intervention and lifestyle changes

Management of high fasting blood sugar often requires a combination of medical intervention and lifestyle changes. Here are some key strategies to help control high blood sugar:

Medical Intervention

Medication: Doctors may prescribe medications like metformin to help lower blood sugar levels.
Insulin Therapy: In some cases, insulin therapy may be necessary to regulate blood sugar levels effectively.

Lifestyle Changes

Diet: Adopting a healthy diet rich in fruits, vegetables, whole grains, and lean proteins can help manage blood sugar levels.
Exercise: Regular physical activity can improve insulin sensitivity and help lower blood sugar levels.
Weight Management: Maintaining a healthy weight through diet and exercise can reduce the risk of high fasting blood sugar.

Prevention and Management

Preventing high fasting blood sugar is crucial for maintaining overall health and preventing complications. Here are some tips for prevention and management:

  • Follow a healthy diet rich in fruits, vegetables, whole grains, and lean proteins.
  • Avoid sugary foods and beverages that can spike blood sugar levels.
  • Engage in regular physical activity, such as walking, jogging, or swimming, to help control blood sugar levels.
  • Monitor your blood sugar levels regularly and consult your healthcare provider for guidance on keeping them in check.
  • Take medications as prescribed by your doctor, such as metformin, to help lower blood sugar levels.
  • Manage stress levels through relaxation techniques, meditation, or yoga to prevent spikes in blood sugar.