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Do Beta Blockers Influence the Results of a Diabetes Fasting

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Hello, im new in the forums and to diabetes as well. However i have a Question i went to the doctor like a month ago due to a few palpitations i had (not related to diabetes i guess), and he ordered a bunch of tests for me to do. In the Fasting one i had 92 on the sugar count (i have always been in the 85-95) range all my life, however he decided to make the glucose tolerance test, the reading i got when i got there was 91 then after the first hour i got 210 he said the maximun was 200, and then in the second hour i had 170 he said the maximun was 140, by the third hour i was back to 86. After seeing my results he said i was a Diabetic prescribed no meds only to lose weight (im like 40 pounds overweight) and exercise. Im also been taking beta blockers a week and a half prior to the test (25mg every night) and i wondered if that may influence the test somehow, with my current insurance policies i cannot see another doctor right now, (ill try to solve that because i want a seccond opinion) so my question is if im really a diabetic or if the beta blockers (metropolol) are messing my test results.

Thank you in Advance.


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replied February 9th, 2006
Diabetes Answer A289
Metoprorol is a cardio-selective(beta1) blocker so it doesn’t have the same metabolic effects as non-selective(beta1/2) blockers. That’s why metoprorol can’t influence the results of diabetes fasting tests. With the above test results, it seems that you are suffering from special type of a diabetes named “Impaired glucose tolerance-IGT”. That means that your glucose level remains OK when you are hungry, but your glucose tolerance test IS NOT OK! You can check your glucose blood level more often to monitor these lieve. To help control the illness, YOU HAVE TO LOSE WEIGHT!!!
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