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Doctor insights on: Can You Drink Alcohol Before A Blood Test

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Can you drink alcohol before a blood test?

Can you drink alcohol before a blood test?

Not a good idea: Alcohol intake will affect some lab results and may make interpretation of the results problematic. ...Read more

Dr. Gregg Albers
387 Doctors shared insights

Alcohol Consumption (Definition)

Alcohol is available in many beverages, from beer and wine to the more potent distilled spirits, such as gin, rye, and whiskey. There appear to be at least small health benefits of small amounts of alcohol use (fewer than five drinks per week), especially of red wine Excessive alcohol use can lead to addiction and severe social and physical complications. Excess long term alcohol use is the most common cause of cirrhosis of the ...Read more


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What happens if I drink alcohol before a blood test?

Bad idea: It would depend on the tests to be conducted. Some tests are affected by food and alcohol. Please discuss the matter with the doctor ordering the tests. ...Read more

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If you drink alcohol the day before a blood test will it show up?

If you drink alcohol the day before a blood test will it show up?

It may: Depending on how much alcohol is consumed and which test is performed. Different methods for testing alcohol wi have different sensitivities and different levels of detection. ...Read more

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I'm going to a party next monday but have a fasting blood test at 9:50 am the next day. Can I still go to the party and drink alcohol?

I'm going to a party next monday but have a fasting blood test at 9:50 am the next day. Can I still go to the party and drink alcohol?

You may have to...: ...deal with the consequences (insurance, work, recommendation for further testing, medical uncertainty) if your next-day lab results prove abnormal. It's your decision whether to take that chance and enjoy alcohol at your party, or reduce the risk and enjoy a non-alcoholic beverage instead. ...Read more

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Can I drink alcohol before I fast for a blood test?

Liver Function: The alcohol you drink could possibly affect the results of your liver function tests. ...Read more

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How many days before can I drink alcohol before blood test?

Depends on the test: If the test is for blood alcohol, 24 hours would suffice, however other blood and urine tests can detect alcohol intake for up to 10-12 days. ...Read more

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How long should I not drink alcohol prior to blood test bloodwork?

Blood alcohol: If your blood test is for routine general check-up, your liver function tests might be elevated, so I suggest you refrain from drinking for several days...But again this depends on how heavy was your drinking before the test because you may have to abstain longer.. ...Read more

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If I drink alcohol the night before a routine type 1 diabetic blood test will it show up?

If I drink alcohol the night before a routine type 1 diabetic blood test will it show up?

It might: Alcohol is metabolized by your body as sugar, and so a test for diabetes might be positive, of course depending on how much alcohol was consumed.. ...Read more

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I'm getting blood drawn in the morning but I drink alcohol last night blood test for my medicine that I take?

I'm getting blood drawn in the morning but I drink alcohol last night blood test for my medicine that I take?

Blood draw: This really depends on whether blood alcohol levels are also being tested. If the blood draw is only to look at the levels of the meds you take then alcohol level will not be tested. ...Read more

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I have a blood test for hiv tomorrow evening, can I drink alcohol 1-2 hrs after it?

I have a blood test for hiv tomorrow evening, can I drink alcohol 1-2 hrs after it?

Yes: If you are at risk for HIV and then need to drink soon afterward, it makes me wonder if at age 18 that you are making lifestyle choices that might not be in your best long term interest. However there is no immediate risk to drinking a few hours after a blood test. ...Read more

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My friend is getting a blood test for HIV or a vaginal infection tomorrow but wants too drink alcohol tonight, will that effect the results?

My friend is getting a blood test for HIV or a vaginal infection tomorrow but wants too drink alcohol tonight, will that effect the results?

No: The only blood tests alcohol will disrupt the results of is a blood alcohol Ievel or possibly a lipid panel or glucose testing. For HIV and std testing, your friend should be fine. Drink responsibly though! ...Read more

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Heavy/moderate drinker for 1 year. 2 Blood test show slight elevated total bilirubin of 28. Ultrasound normal. Is this due to alcohol consumption?

Heavy/moderate drinker for 1 year. 2 Blood test show slight elevated total bilirubin of 28. Ultrasound normal. Is this due to alcohol consumption?

Unlikely: Transaminases (SGOT/AST, SGPT/ALT) rise well before the bilirubin. Several percent of folks always have mildly elevated indirect bilirubin from Gilbert's non-disease. Cholestasis from meds, low-grade hemolysis from marathon running can raise bilirubin. I'm worried about heavy drinking at age 22 rather than labs. This is a path that leads to a bad life and early, miserable death. Can we help? ...Read more

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Will alcohol consumption show up in my liver panel blood test results?

Will alcohol consumption show up in my liver panel blood test results?

Yes: Depending on the amount and chronicity of alcohol intake, there may be elevation of alt, ggt, cdt, and hdl, . ...Read more

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Will drinking alcohol the day before a blood test impact the results?

Depends: Depending on which tests you're having and how much alcohol you drank, the results may be affected. This is especially true if you are having liver function tests done. Alcohol is also a diuretic and may lead to dehydration. This may impact other tests as well. Of course, if the test is for the presence of alcohol, you will likely be positive. ...Read more

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Hi. Can drinking alcohol around 48-72 hrs before a blood test show low white blood count only by 0.5. Thanks.?

No: A significantly low white count would not be expected a day or two after drinking alcohol. Prolonged heavy drinking for years can cause an effect on the bone marrow and lower the white count. Is significantly low white count needs a evaluation by hematologist a blood specialist ...Read more

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Could drinking alcohol the night before a blood test raised liver enzymes?

Yes: It's common. Tell your physician you were partying. If the enzymes are high, they'll be repeated after a time off alcohol. ...Read more

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How can drinking alcohol the night before a blood test for Accutane affect the results?

See below: Alcohol can raise your liver enzymes, making blood liver function tests falsely elevated. You should avoid alcohol while on Accutane anyway, as it can produce a disulfiram-like reaction (massive nausea/vomiting, stomach aches/cramping, etc.). ...Read more

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How long after drinking alcohol for clear blood test?

Depends on the test: Blood itself will be clear of alcohol after about 24 hours, but other markers of alcohol use may persist for up to 10 days. ...Read more

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How long do you wait after drinking alcohol before having a full blood test?

Depends on the: Test concerned. Blood alcohol will dissipate in about 24 hours or less. Other changes in blood components, e.g. Carbohydrate deficient transferrin may be abnormal for up to two weeks, particularly after drinking for a few days. Ggt and other liver enzymes may be elevated, even after one drinking episode, for 2-3 days. ...Read more

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How does drinking alcohol 10 hours prior to a fasting blood test alter the results?

Liver Function Tests: Your body can metabolize only so much alcohol every hour, so depending on the amount and chronicity of your drinking, it's your liver metabolism that is mostly affected. ...Read more

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I drink quite heavily and I'm due for a alcohol blood test in two weeks time. How long will it take for it to be clear on test?

I drink quite heavily and I'm due for a alcohol blood test in two weeks time. How long will it take for it to be clear on test?

Depends/ metabolism: In the average individual, 1/2 of the existing ethanol will be out of the system in about 1/2 hour, but this is effected both by loading (continuing to drink) & the livers ability to metabolize the product. If your liver cannot remove the product as fast, it stays longer. Abstaining for at least a day should clear most, but longer may be needed. ...Read more

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Will drinking alcohol affect blood test results?

Yes for some tests: Also it will depend on for what length of time and how much you are drinking. A blood alcohol level will show alcohol content of blood recently consumed. But a complete blood count will have indicators of changes in red blood cells as a result of chronic alcohol use. Chronic alcohol use: ggt, liver function tests, vitamin b12, folic acid, thiamine levels can be affected. ...Read more