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Family Physician
Family Physician, Doctor (MD)
Category: Health
Satisfied Customers: 12816
Experience:  Emergency Medicine and Family Practice for over 26 years
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What can cause elevated blood alcohol levels, other than ...

Resolved Question:

What can cause elevated blood alcohol levels, other than drinking alcohol?
Submitted: 10 years ago.
Category: Health
Expert:  Family Physician replied 10 years ago.
A properly performed blood alcohol test should NOT be elevated by anything other than alcohol.
Customer: replied 10 years ago.
Reply to Family Physician's Post: I don't believe this to be true. I read on the United States Search and Rescue Task Force article on Lyme Disease (

"On occasion, there is an added risk with some antibiotics of intestinal yeast infections that manufacture alcohol as a by-product. This can cause elevated blood alcohol levels for a few hours after meals."

My reason for submitting my question is for further information on this statement.
Expert:  Family Physician replied 10 years ago.
The source you listed is NOT a valid source of medical information. Here is an abstract from a appropriate medical source that disputes this allegation that blood alcohol results would be influenced by the "auto brewery" claim

To use this claim in court, one would need to demonstrate in a controlled (likely in a hospital setting) that you could cause a blood alcohol test to become positive while under control of police/physician without consuming any alcohol.
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