apollo
  • Female
  • 45 Years
  • 13/09/2023

What causes HbA1c to increase?

Doctor 1

Answered by 1 Apollo Doctors

Uncontrolled blood glucose levels can cause HbA1C to increase.

Dr. Vasanthasree Suggests...

Take a EPO (Erythropoietin) Test Test or Take a Chikungunya Test Test

Answered 24/07/2025

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More HbA1c Test (Hemoglobin A1c) Health Queries

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Respected doctors, my dad took a blood sugar test on 25th July in the afternoon after having lunch. It showed his blood sugar level as 289. To confirm, we took the blood test the next day, 26th July, which showed a completely different sugar level of 125 fasting and 153 after breakfast. After seeing both reports, the diabetologist advised my dad to exercise and walk more. Which sugar level is accurate? The first one taken after lunch or the second report taken in the morning, fasting and after food? Currently, he has not been prescribed any medicines and is taking the morning reading as the accurate one.

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My test report in March/April showed HbA1C 9.0, and my current report shows HbA1C 4.6. I used to take insulin, but since September I have been taking tablets as prescribed: Glyciphage SR 500 twice daily before meals and Voglitor MD 0.3. My current FBS is 92 and PPBS is 128. Kindly let me know what I should do?

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Doctor 1Doctor 2

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I am a 47 year old diabetic with neuropathy. My last clinical test showed an HbA1c of 5.9 percent and creatinine of 0.9 mg/dL. At that time, I was taking Metformin 500 mg twice daily, Novomix 30 (18 units before breakfast and 12 units before dinner), and Lantus 20 units at bedtime. Later, my doctor advised Novomix 30 (18 units before breakfast, 12 units before dinner), Lantus 18 units at bedtime, and Transpire M30 after breakfast. My recent report shows that my HbA1c has risen to 7.5 percent, creatinine to 1 mg/dL, and fasting sugar from 84 to 144 mg/dL. I would like advice on whether I should continue the doctor latest prescription or switch back to my previous regimen.

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