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Painkiller before fasting blood test

A 37-year-old member asked:
Dr. Vivek Huilgol
Gastroenterology 36 years experience
NO: It will change the results. Fasting means fasting. Rinse your mouth out if you're dry.

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A 46-year-old member asked:
Dr. Gurmukh Singh
Pathology 50 years experience
In a way, yes: If you fast for longer than a day or so, it will alter some blood chemistries. Fasting tests are usually set for an overnight fast, or a 12 hour fast.... Read More
A 31-year-old female asked:
Dr. Amy Deeken
Pathology 21 years experience
Yes: You can have decaf tea or coffee before fasting blood test. Hold the milk and sweetener though.
A 36-year-old member asked:
Dr. Gurmukh Singh
Pathology 50 years experience
Yes: Advil (ibuprofen) 12 hours before the test is not likely to affect test results.
A 39-year-old member asked:
Dr. Gurmukh Singh
Pathology 50 years experience
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
A 48-year-old male asked:
Dr. Lisa Piccione
A Verified Doctoranswered
22 years experience
You may: you may brush your teeth. the toothpaste will not affect the results.
A 20-year-old male asked:
Dr. Milton Alvis, jr
Preventive Medicine 42 years experience
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
A 33-year-old member asked:
Dr. Ronald Krauser
A Verified Doctoranswered
Rheumatology 53 years experience
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 45-year-old member asked:
Dr. Ravi Chand
Psychiatry 27 years experience
Xanax (alprazolam): 10 hours no food or water, except taking sips of water to brush teeth, best to hold all meds unless urgently needed.
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