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Drinking water before urine test

A 18-year-old male asked:
Dr. Abeera Mansur
34 years experience
P:C ratio: We usually check a protein to creatinine ratio, so creatinine may also decrease leaving the ratio the same.
A 26-year-old female asked:
Dr. Gurmukh Singh
Pathology 50 years experience
Could: Urine protein is measured just as mg/dL would be affected by drinking more water and making urine dilute. As a counterbalance to that if protein is me... Read More
A 32-year-old male asked:
Dr. Christopher Guzik
Family Medicine 25 years experience
Maybe: Drinking large amounts of water prior to a urine test can dilute some ingredients. However the specific gravity of the sample will also shift indicati... Read More
A female asked:
Dr. Zoltan Erdos
Family Medicine 26 years experience
Sorry: if you mean nicotine in the urine test, you'll likely fail. But stranger things happen. Live healthy. Happy new year.
A 32-year-old female asked:
Dr. Thomas Wright
Phlebology 30 years experience
Probably not: Not likely to show up on test a couple of days later . maybe wont even show up on urine test depending on test.
A 23-year-old male asked:
Dr. Stuart Winkler
Internal Medicine - Nephrology & Dialysis 49 years experience
Dark urine: The kidneys are important for retaining the water you drink and preventing dehydration. When you do not drink much the kidneys reabsorb as much water... Read More
A 37-year-old male asked:
Dr. John Gaffney
Psychiatry 26 years experience
Dangerous!: That is wayyyyy over the maximum dose of Adderall (dextroamphetamine and racemic amphetamine) ... This can cause extremely dangerous arrythmias in the... Read More
A 26-year-old female asked:
Dr. Clarence Grim
Endocrinology 58 years experience
UProtein/creatinine : Water dilutes everything in urine so the ratio does not change. That is the ratio value is the same. That is the reason to measure both rather than ju... Read More
A female asked:
Dr. Ed Friedlander
Pathology 45 years experience
This is serious: Anyone can have +1 ketones in the urine from missing a meal, but more is worrisome. Please repeat. Low blood potassium reflects illness rather than ha... Read More
A 25-year-old male asked:
Dr. Steven Ginsberg
Internal Medicine - Hematology & Oncology 38 years experience
See doctor: Additional tests may be necessary. Diabetes insipidus, diabetes mellitus need to be evaluated. See a doctor. Are there medications or mental health is... Read More