Top answers from doctors based on your search:
Drinking water before fasting blood test
A 23-year-old female asked:

Dr. Gurmukh Singhanswered
Pathology 51 years experience
No: Water with electrolytes will not affect thyroid blood tests. However, you are wasting your money on such water. Tap water is just as good if not bette... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3k viewsReviewed >2 years ago
A 33-year-old male asked:

Dr. Jack Rubinanswered
Nephrology and Dialysis 50 years experience
Fasting Blood Test: Yes, you can drink water and eat no food for your test.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 37-year-old member asked:

Dr. Terri Washingtonanswered
Endocrinology 18 years experience
Yes: Plan water no lemon or additives can be taken before a fasting blood test.
Created for people with ongoing healthcare needs but benefits everyone.
4.8k viewsReviewed >2 years ago
A 41-year-old member asked:

Dr. Douglas Milleranswered
Pathology 43 years experience
Yes: Water is fine before a blood glucose test, but don't eat any food or drink other liquids which might falsely elevate the glucose level in the blood.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 44-year-old member asked:

Dr. Claude Parolaanswered
Internal Medicine 42 years experience
No problem: Yes, it is ok to drink a little water if thirsty.
Created for people with ongoing healthcare needs but benefits everyone.
4.8k viewsReviewed >2 years ago
A 37-year-old member asked:

Dr. Douglas Milleranswered
Pathology 43 years experience
Yes: Water is fine; nobody wants you to be dehydrated just for some blood tests, but they don't want you to take any food or other fluids which may elevate... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 20-year-old male asked:

Dr. Bennett Werneranswered
Cardiology 46 years experience
Normal: Strenuous muscular exercise elevates the CK - this is NOT abnormal. Drinking water is certainly a healthy thing to do when you're sweating, but it wil... Read More
Created for people with ongoing healthcare needs but benefits everyone.
3.9k viewsAnswered >2 years ago
A 33-year-old male asked:

Dr. Stuart Hickersonanswered
Family Medicine 34 years experience
Ck/CPK: Creatintine kinase is one of the enzymes in your muscle. If you are male and you have reasonable muscle mass this could be your normal serum level.
Created for people with ongoing healthcare needs but benefits everyone.
180 viewsReviewed >2 years ago
A 29-year-old male asked:

Dr. Silviu Pasniciucanswered
Internal Medicine 29 years experience
Yes, dehydration and living at high altitude can both contribute to an elevated red blood cell count or polycythemia.Trying to hydrate better is what ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
Reviewed Sep 16, 2021
A 33-year-old male asked:

Dr. Miles Mitchellanswered
Specializes in Family Medicine
It's variable: Lab-to-lab variability is because of differences in equipment and techniques. Doctor's are trained to make good decisions despite these challenges in... Read More
Created for people with ongoing healthcare needs but benefits everyone.
63 viewsReviewed >2 years ago
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