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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Can Frequent Use Of Mouth Wash Affect Blood Test Results?

My blood test( fasting) came back showing high sugar and my doctor asked me if I had alcohol that night before?... I don t drink alcohol at all... But I do use mouthwash 2-3 times a day because of dry mouth... Would that affect my blood test or show up in it?
Thu, 29 Oct 2015
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General & Family Physician 's  Response
Hi
Thanks for posting your query on HCM.
I can understand your concern.
Frequent use of mouth wash does not affect the blood glucose level.
The raised fasting blood glucose level is suggestive of diabetes mellitus.
However, I would suggest you to repeat the fasting blood glucose, post prandial blood glucose (blood test 2-3 hrs after having meals) and urine analysis for further evaluation.

Hope this answers your query.
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Can Frequent Use Of Mouth Wash Affect Blood Test Results?

Hi Thanks for posting your query on HCM. I can understand your concern. Frequent use of mouth wash does not affect the blood glucose level. The raised fasting blood glucose level is suggestive of diabetes mellitus. However, I would suggest you to repeat the fasting blood glucose, post prandial blood glucose (blood test 2-3 hrs after having meals) and urine analysis for further evaluation. Hope this answers your query.