Top answers from doctors based on your search:
Disclaimer

can you use mouthwash before a blood test

A 49-year-old member asked:
Dr. Gurmukh Singh
48 years experience Pathology
Depends on the: Type of test. Blood tests for fasting sugar and lipid studies should be done after an overnight fast. Please discuss preparation for the tests with yo ... Read More
1
1 thank

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month
A 51-year-old member asked:
Dr. Claude Parola
39 years experience Internal Medicine
No problem: Yes, it is ok to drink a little water if thirsty.
A 25-year-old male asked:
Dr. Robert Killian
27 years experience General Practice
Eight to Twelve: Eight to twelve hours should suffice.
A 50-year-old member asked:
Dr. Jennie Law
13 years experience Endocrinology
Yes: Yes, because the sugar in the chocolate will be absorbed and increase the amount of sugar in your blood, so the value will be higher. Let your physic ... Read More
A 52-year-old member asked:
Dr. Lester Thompson
32 years experience Pathology
Not necessarily: Different drugs are metabolized by different pathways. So, secretion of a metabolized drug in the saliva may be very different than a drug that has be ... Read More
A 44-year-old member asked:
Dr. Gurmukh Singh
48 years experience Pathology
No: If you mean to use the same kit twice, that will not give you a reliable result.
A 26-year-old female asked:
Dr. Marsha Davis
27 years experience Internal Medicine
Not much!: But youigjt have to get up to go during the nigjt!
A 37-year-old female asked:
Dr. David Sneid
40 years experience Endocrinology
Yes: However there are several different criteria for diagnosing diabetes, depending upon whether you're using GTT data, fasting glucoses, post-prandial gl ... Read More
A 42-year-old member asked:
Dr. Gurmukh Singh
48 years experience Pathology
Yes: A drink or two does not affect the cbc, however chronic use does depress the bone marrow and lowers blood cell counts, especially platelets.
A 45-year-old member asked:
Dr. Gurmukh Singh
48 years experience Pathology
Not a good idea: Alcohol intake will affect some lab results and may make interpretation of the results problematic.
A 54-year-old member asked:
Dr. Jeff Livingston
21 years experience Obstetrics and Gynecology
No: Sports drinks are high in carbohydrates and would definitely mess up certain blood tests. If you are about to do a diabetes test for example this woul ... Read More
5
5 thanks
A 56-year-old member asked:
Dr. Ronald Krauser
51 years experience Rheumatology
No: You use, you lose.
1
1 thank
A 45-year-old member asked:
Dr. Pamela Pappas
41 years experience Psychiatry
It depends: Marijuana remains detectable in blood for about 2 days. Longer in urine (up to 90 days), especially if using regularly over a long period. If it's a ... Read More
2
2 thanks
A 42-year-old member asked:
Dr. Austina Cho
25 years experience Psychiatry
72 hrs: A saliva test for meth can test positive for up to 72 hrs after use.
A 39-year-old member asked:
Dr. Andrew Turrisi
46 years experience Radiation Oncology
You can ask: For an HIV screen or go to a public health clinic if you want annonymity, but your doctors cannot order an HIV test without getting your permission an ... Read More
A female asked:
Dr. James Ferguson
45 years experience Pediatrics
Possible ,but: It is seldom done because it can trigger labor, miscarriage or infection.There are rare medical reasons where the risk may be needed to provide specia ... Read More
1
1 thank
A 30-year-old female asked:
Dr. David Sneid
40 years experience Endocrinology
Question: Is that a question or a statement? Yes, you can get a home pregnancy test at the pharmacy. Try it about a week after a missed period. Your doctor can ... Read More
1
1 thank
A female asked:
Dr. Robert Fietsam
34 years experience Thoracic Surgery
Doubt it.: But totally depends on how much you did and how sensitive the test the test is. Different tests of different concentrations for cutoffs. You might b ... Read More
1
1 thank
A 48-year-old member asked:
Dr. Cynthia Rector
28 years experience Psychiatry
Yes: Of course your can drink it the day before the test. However, it may or may not result in any different results. The best course of action is to be s ... Read More
A 22-year-old female asked:
Dr. Jeff Livingston
21 years experience Obstetrics and Gynecology
Herpes testing: There are two ways to test for herpes. The first is to directly swab the lesion during an outbreak to detect the virus. This is the most definitive bu ... Read More
1
1 thank
A 35-year-old female asked:
Dr. Vanita Patel
21 years experience Obstetrics and Gynecology
Depends: The sensitivity of the pregnancy tests available in market is different.But if you are pregnant , the test will be positive at this time.Best thing is ... Read More
10
10 thanks
A 38-year-old member asked:
Dr. Joseph Rank
Specializes in Pathology
It may: Depending on how much alcohol is consumed and which test is performed. Different methods for testing alcohol wi have different sensitivities and diffe ... Read More
2
2 thanks
A 53-year-old male asked:
Dr. Bruce Jacobs
Specializes in Family Medicine
No,you would not: test positive for alcohol if you take alcohol free cough syrup.

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month