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How to treat dizziness and diabetes effectively?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I am 46 and was diagnosed with type 2 diabetes six months ago. My last HbA1c was 7.9 percent, and my fasting blood sugar was 156 milligrams per deciliter. I am taking Metformin 1000 milligrams daily, but still feel tired and sometimes dizzy after meals. Could this be due to fluctuating blood sugar levels or a vitamin B12 deficiency?

My doctor suggested adding another medicine, but I am concerned about side effects. Are GLP-1 injections, such as Semaglutide, safe for long-term blood sugar control? Also, if I manage to lose about 8 to 10 kilograms, can diabetes go into remission? I have heard that some people stop taking medicines after weight loss. Does this happen often in real cases?

Please help.

Thank you.

Hello,

Welcome back to icliniq.com.

I understand your concern.

Indeed, type 2 diabetes mellitus is largely a lifestyle-related disorder, and the mainstay of treatment is lifestyle modifications. Losing weight can help lower blood sugar levels and reduce spikes in blood sugar. An HbA1c of 7.9 is high but not too high to be controlled. You need to follow a strict diabetic diet that limits foods and fruits with a high glycemic index.

Weakness could also be due to a vitamin D or vitamin B12 deficiency. Your physician may recommend these supplements along with Metformin. Metformin belongs to the biguanide class of drugs and is a long-established antidiabetic medication. If blood sugar levels remain uncontrolled, your doctor may add another class of drugs, such as SGLT2 inhibitors or GLP-1 analogues. This is because Metformin alone may not effectively control your blood sugar levels.

Once your blood sugar starts to stay under control, your doctor will continuously monitor your HbA1c, and the dosage may be reduced later. You should also get a fundoscopy done and have a serum creatinine test performed.

​I hope this helps.

Kindly follow up if you have more concerns.

Thank you.

Medically reviewed byiCliniq medical review team

Published At April 8, 2026
Reviewed AtApril 9, 2026

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