Top
30
Doctor insights on: Do They Drug Test In Blood Donations

Share
1

1
How to pass a blood drug test for shabu?

How to pass a blood drug test for shabu?

Don't use it: No more disrespect is intended than the question itself contains. "shabu" is, i understand, a term for methamphetamine used in japan, hong kong, malaysia and indonesia. If you are smart enough to be using healthtap, you are smart enough not to be messing around with this godawful drug of abuse. You won't realize the danger until it's too late. Stop, and get help if you need to. ...Read more

Dr. Donald Alves
347 doctors shared insights

Blood Donation (Definition)

Blood donation is the act of giving ones blood to a blood bank, so that it may be used in the future to help someone else. People with transmissible viral diseases, such as HIV or hepatitis C, are not able to donate blood, as ...Read more


3

3
Can drug posetive menstrual blood effect a clean urine drug test?

Can drug posetive menstrual blood effect a clean urine drug test?

Probably: If there are drugs in the blood, they would probably also be found in the urine also, if the urine was tested. If the blood contaminated the urine, the drugs may be there, but this may not be needed. If the drugs are "protein-bound", they may only be found in the blood at times. Some drugs are best tested for in the urine, some in the blood. ...Read more

See 1 more doctor answer
4

4
Can a blood drug test tell the exact amount of my medication I've taken all month long or how far back can it detect? Why not do a urine test

Can a blood drug test tell the exact amount of my medication I've taken all month long or how far back can it detect? Why not do a urine test

Which drugs are: you referring to? If you can tell us specific drug being screened for - we can provide more information. ...Read more

6

6
How long for a blood drug test result if positive?

How long for a blood drug test result if positive?

Depends on drug: Alcohol will disappear in a matter of hours, thc, cannabis, may be detectable for days. Urine tests last longer than blood tests and are usually used for drug screening and thc may remain positive for weeks. ...Read more

7

7
I took a 30mg roxy how many hours will it be in my urine an blood i have a drug test on monday?

I took a 30mg roxy how many hours will it be in my urine an blood i have a drug test on monday?

A day: Roxicodone (oxycodone) has a half-life of approximately four hours. It will take at least 24 hours for it to be out of your system. This assumes you are able to metabolize it in the normal amount of time. Why are you taking this medication if you are concerned about drug tests. ...Read more

8

8
If a person had smoked weed about two weeks and had to go take a blood drug test would they pass it?

If a person had smoked weed about two weeks and had to go take a blood drug test would they pass it?

Depends: The test result would depend on many factors including amount smoked, previous use, metabolism, body fat percentage. Probably will be positive. In general it's not a good idea to smoke weed, it's not healthy. Please consider not using it anymore. ...Read more

See 1 more doctor answer
10

10
I have to take a blood test tomorrow.. Not a drug test, im afraid because i smoked about 3 1/2 weeks ago.. Is my system clear?

YES/NO: I assume you mean by " smoking" that you smoked marijuana, it usually can be detected up to 4 weeks after smoking, if they are testing for it, it may show in your system, though you are on the border for that. I suggest to stop smoking marijuana, as you may know it is associated with development of what is referred to as "amotivational syndrome" as well as increased risk for psychosis. ...Read more

11

11
I smoke marijuna but I only hit it 4 times in the morning and night I didnt smoke Tuesday but got a blood drug test done Wednesday eveningevening...wi?

I smoke marijuna but I only hit it 4 times in the morning and night I didnt smoke Tuesday but got a blood drug test done Wednesday eveningevening...wi?

Will be positive: If you're a regular user, and it sounds like you are, THC will show up in a blood test for up to 3 days. Urine tests may be positive for the marijuanas metabolite THC-COOH for up to 30 days. Consider submitting another question to us: "What are the health effects of long term, regular marijuana use on my health?'" That's something else you need to know. ...Read more

13

13
When urine and blood drug test are done together, will they also do DNA test?

When urine and blood drug test are done together, will they also do DNA test?

Legal question: The circumstances under which a dna test may be performed is a legal question with important possible implications. A physician who is not also an attorney licensed to practice in the state in question will not be qualified to give a proper answer. ...Read more

15

15
When taking a blood drug test, does it detect drug usage for the past 3 months?

It depends: It depends upon what is tested. As you probably know, some drugs are stored in fat cells in your body and can show up in your blood or urine for up to 30 days. There are also tests for metabolites of some drugs, which could be found in your blood for even longer periods of time. It would be unlikely for a blood test to detect drug usage when the last dose was > 30 days ago. ...Read more

See 1 more doctor answer
16

16
Why would a narcotic drug test (both urine and blood) come back negative when the person is taking the prescribed narcotics?

See below: A common error occurs when a patient is prescribed an oxycodone preparation and they are tested for opioids only. The opioid test in urine will not test positive when a patient is on oxycodone or many other synthetics or semi-synthetic agents. ...Read more

See 1 more doctor answer
20

20
I shot up meth 5 nights in a row i quit this past monday have a drug test this monday could be swab blood or urine will it be out of my system? Hurry

I shot up meth 5 nights in a row i quit this past monday have a drug test this monday could be swab blood or urine will it be out of my system? Hurry

You cant win : 18 years old, meth user and 5 nights in a row. Let me hear your question again..You want to beat the system..For what? You fail even if you succeed. Get treated instead. You cannot beat it alone. And I am sure, this is not the only junk you use. If you are using meth with such vigor, the other support caste hoovers close by too. Illegal activities to maintain this style, and the law .... ...Read more

21

21
When getting a annual physical does the blood work include a drug test, and does the physical require a urine sample? I'm worried about false positive

When getting a annual physical does the blood work include a drug test, and does the physical require a urine sample? I'm worried about false positive

It does not: You can only be tested for drugs of abuse with your consent. Your physician doing your routine history and physical will not screen you for recreational substances. False-positive drug-of-abuse tests that have medicolegal consequences are very uncommon as the results must be verified by a test using a different chemical principle. And even if you're actually using, your physician is your friend. ...Read more

See 1 more doctor answer
23

23
How long does it take to get the trace of weed out of a system? My boyfriend was on blood thinners because of a heart condition he has and he smoked pot with an old friend of his and when he had to take a drug test it showed up positive. He failed to tell

How long does it take to get the trace of weed out of a system? My boyfriend was on blood thinners because of a heart condition he has and he smoked pot with an old friend of his and when he had to take a drug test it showed up positive. He failed to tell

A few days: If it is truly only one use it will show up for 3-4 days at most, depending on the amount smoked. However, if it is regular smoking of marijuana, it can last many weeks or even months. If your husband is on blood thinners, he needs to know that there are a huge number of potential drug interactions that can increase or decrease effectiveness of blood thinners and put him at risk, including pot. ...Read more

See 1 more doctor answer
24

24
Why would the doctor request a blood drug test if he prescribes me narcotics?

Why would the doctor request a blood drug test if he prescribes me narcotics?

Protect you both: To see if you are in overall good health. By your consent and as a condition of treating you, to see if you may be using other Rx's. To see if your liver and kidneys can handle the medications safetly. ...Read more

25

25
Help can blood thinner affect my drug test for employment?

Help can blood thinner affect my drug test for employment?

It won't: Anticoagulants don't really "thin" the blood, they just make it harder for blood to clot. Employment drugs tests look for drugs of abuse, not anticoagulants. I am unaware of any false positive reports with these medications. ...Read more

26

26
Will blood from my menstrual cycle affect an at home THC drug test?

Will blood from my menstrual cycle affect an at home THC drug test?

Yes: if you have THC in your urine, it will most certainly be in your blood, which if in 10 minutes in your urine test will lead to a falsely elevated level of THC. ...Read more

29

29
I took a drug test, but was on my 1st day of period, so blood mixed in urine, will it affect the results?

I took a drug test, but was on my 1st day of period, so blood mixed in urine, will it affect the results?

Drug tests: Usually blood does not invalidate a drug test. I would read the insert if it was on a home drug test, or ask the technician if you had a test at a commercial testing lab to verify whether blood affects the readings. Usually the quality of tests are good enough that the readings stand on their own. ...Read more

See 3 more doctor answers
Dr. Alan Wartenberg
572 doctors shared insights

Drug Testing (Definition)

It is the process of examining body fluids or tissue for evidence of chemicals taken or not taken. It does not diagnose addiction however this a ...Read more