Doctor insights on:
What Can Cause A High A1c Test
Poor sugar control: Hemoglobin A1c measures average blood sugar over approximately the past 3 months. It is the measure of how much hemoglobin is attached to sugar molecules in the blood. Sugar in your blood binds to the hemoglobin of the red blood cell and stays there throughout the cell's lifetime (120 days). At high levels of blood sugar, more reacts w/ the hemoglobin, causing an elevated hemoglobin a1c. ...Read moreSee 1 more doctor answer
Blood glucose: The a1c is an average of all your blood sugars over about 2 months. How often do you test your glu? You can't measure your glu 24/7. An a1c of 7.0 is actually fairly good. I suspect there is a time of day when your glu values are higher than you may realize. Most commonly this is during the night, maybe early am. This is called the dawn phenomenon. ...Read more
Several causes: The correlation between a1c and FBS is not perfect. A1c is like a glu average. If you have frequent hypoglycemia, then that may be "balancing" the high glu. Another possibility is a hemoglobinopathy. There are many causes of abnormal hemoglobin, most common is sickle trait, which cause no symptoms but mess up the a1c. An alternate to the a1c is a measure of fructosamine. ...Read more
I am a 42/male with type 2 diab for 6 yrs. A1C is 7.5. High tryg (350). I have had radiating chest pain. Stress test normal. Should I be concerned?
Need more evaluation: Being a diabetic certainly increases your risk of developing coronary artery disease. I don't know if you may have other risk factors, as well. Also, I don't know what type of stress test you had; some are more sensitive at detecting problems than others. All stress tests can have false negatives, though, and if your symptoms are persistent, you should see your doctor for further evaluation. ...Read moreSee 2 more doctor answers
Nothing bad: actually the low level does not mean much higher level could indicate that you average blood suger could be higher than normal and it depend how high it is lower level could indicate normal or slightly lower blood sugar and most of the time it is normal the test is design to check average blood sugar for the last 1-2 weeks and the sensitivity and the accuracy of the test is higher in high BS ...Read more
No: This is excellent diabetes control (if diabetic), borderline sugar if not diabetic. Elevated bilirubin, your doctor needs to find the cause. Gilbert syndrome may have slight high bilirubin (normal variant usually <3). Liver disease, gallstone obstruction : needs attention talk to your doctor. ...Read more
High A1c over 13 but numbers don't correlate, MRI and us abdomen are normal, what are other causes. On metformin and starlix check bs 4x per day.
Closer monitoring: First, make sure your meter is working right. How old is it? Test it against your doctor machine to compare accuracy. Second, the numbers don't correlate possibly because you don't check it at the right time. Try to check a few numbers 2 hours after you eat. This might be where your problem is. A continuous glucose monitor for 1 week is also an option for you to check for trends. ...Read moreSee 1 more doctor answer
Had a bad cold for a month and noticed new A1C test went up for no reason. can prolonged upper respiratory infection cause blood glucose increase?
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