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painkiller before fasting blood test

A 38-year-old member asked:
Dr. Terri Washington
15 years experience Endocrinology
Yes: Could depending on the test, if is blood sugar or chol then coffee could make an impact.

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A 44-year-old male asked:
Dr. Karl Spector
24 years experience Addiction Medicine
It shouldn't: Smoking a cigarette before a blood test should not increase your sugar level. Thus, i would discuss with your doctor why your sugar was elevated as t ... Read More
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A 39-year-old member asked:
Dr. Gurmukh Singh
48 years experience Pathology
No: Very high triglycerides are a serious issue and rather than looking for outlandish explanation, work with your doctor to lower these. In general weig ... Read More
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Dr. Michael Shapiro
21 years experience Cardiology
Yes: If the gum you chewed contained a lot of sugar, this could certainly have an impact on your triglycerides. In general, your cholesterol test should be ... Read More
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A 48-year-old male asked:
Dr. Lisa Piccione
A Verified Doctor answered
A US doctor answered Learn more
You may: you may brush your teeth. the toothpaste will not affect the results.
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A 69-year-old female asked:
Dr. Scott Diede
A Verified Doctor answered
A US doctor answered Learn more
Unlikely...: The opposite correlation is actually more likely. Intaking caffeine can actually lower your potassium level because of the diuretic effect of caffeine ... Read More
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A 20-year-old male asked:
Dr. Milton Alvis, jr
40 years experience Preventive Medicine
No. For most blood: tests fasting=not needed & commonly misleading, though promoted. Optimal PSA value <1.0 ng/dL, though called normal up to 4.0 ng/mL. At 1.3 ng/ ... Read More
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A 33-year-old member asked:
Dr. Ronald Krauser
51 years experience Rheumatology
Standardize results: Many test are done fasting because food or drink can affect the results. Therefore, the standard measurements are done fasting to make them reproducib ... Read More
A 37-year-old member asked:
Dr. Vivek Huilgol
34 years experience Gastroenterology
NO: It will change the results. Fasting means fasting. Rinse your mouth out if you're dry.
A 45-year-old member asked:
Dr. Ravi Chand
25 years experience Psychiatry
Xanax (alprazolam): 10 hours no food or water, except taking sips of water to brush teeth, best to hold all meds unless urgently needed.
A 43-year-old member asked:
Dr. Robert Choate
43 years experience Pediatrics
No: Pedialyte contains a sugar. This breaks the concept of a fast. Non-nutrient liquids only during the period of fast.
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