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I understand your concern. Going by your reports (attachment removed to protect patient identity), it looks like you need an increase in the dose of medication. Your doctor may either choose to increase the dose of Metformin or to add another new drug to the existing dose of Metformin. Another option is to prescribe insulin injections.
Metformin can be taken at a dose up to 1000 mg twice a day (2000 mg/day). But it is ideal for you to meet your doctor so that you get a proper prescription for a clinical examination.
Lifestyle changes will help you a lot. Avoid sweet food and high-calorie food (containing oil, cheese or cream). Include lots of raw vegetables in your diet. Exercise regularly. You can start by walking 30 to 45 minutes daily. Weight loss will help you to a great extent to bring down blood sugar levels. Even a 10 % reduction in weight can reflect as significant improvement in your health status.
For more information consult a diabetologist online --> https://www.icliniq.com/ask-a-doctor-online/diabetologist