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A member asked:

Can black coffee really effect blood work?

A doctor has provided 1 answer

No: Probably not unless you had a gallon.

Answered 9/3/2013

4.9k views

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Will drinking decaf black coffee before fasting blood test alter the results?

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Is having a fasting blood sugar level of 106 high? (I had two cups of black coffee before the test)

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Can I consume black coffee prior to a blood test? I'm having a Complete metabolic panel drawn tomorrow which requires fasting.

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Can i be getting frequent headaches because of an overbite? Imitrex (sumatriptan) makes it worse and so does coffee. Blood work is normal.

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People also searched for:

I have a blood draw in the morning, i start fasting at midnight, can I drink black coffee? This is a new dr. For me and he wants complete blood work.
Is it really big deal if I have cream in coffee 7 hrs before fasting blood work? I find it hard to believe that could badly mess with results.
Is it ok to drink black coffee when your fasting for blood test?
I have to fast for 12 hours before blood test. Can i drink black coffee during those 12 hours?
Before blood glucose test can you have black coffee?

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