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Doctor insights on: How Long Does Methadone Show Up As On A Drug Test

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Dr. Stuart Wasser
651 Doctors shared insights

Methadone (Definition)

Methadone is a synthetic opiate used for pain control and in the rehabilitation of opiate addicts. Methadone used in rehabilitation relieves craving, suppresses withdrawal symptoms, and blocks the euphoric effects associated with ...Read more


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I was given methadone almost 2 weeks ago and it was basically a one time thing and I just took a drug test at my pain management will it show up?

I was given methadone almost 2 weeks ago and it was basically a one time thing and I just took a drug test at my pain management will it show up?

Maybe: More likely to pick up the metabolite eddp. Why would you be concerned? If you are under the care of a pain management physician I would expect that they rxd the methadone. If it was not rxd for you then you using or trying the Methadone would be a warning sign for possible abuse and you should seek help. ...Read more

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Will methadone or methadose show up on a standard urine drug test?

Most likely.: It is very likely than any use of Methadone will be reflected by a positive opioid test on any drug screen. Depending on the sophistication of the test, it may be also be identifiable specifically as methadone. ...Read more

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If I took 10 mg methadone one time on may 21 and had a 10 panel drug test taken may 29 will it come positive and when will it be out my system?

If I took 10 mg methadone one time on may 21 and had a 10 panel drug test taken may 29 will it come positive and when will it be out my system?

Depends on the: Panel. There are many "10-drug" panels and they are not standardized. Some look for Methadone and some do not. A single dose of 10 mg is not likely to be present 7 days later. I am MORE concerned with your taking a drug not prescribed for you, particularly methadone. The safe starting dose in an opioid-naive patient is 2.5-5 mg. If this were not prescribed for you, don't do it again! Not safe!! ...Read more

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I took 15mg methadone a week ago, will it be out of my system for a drug test only a week of my last dose? Please help. If not, how can I get it out?

Depends: If this was a one time use, it should be clear in a week, but if it was long-term it's less certain. Half-life range top is 48hrs, so you're probably good - but don't use it w/o Rx and that should satisfy a drug tester. It's good you care and use that motivation to stay clean! Best wishes. ...Read more

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How long will it take for one 10mg methadone in pill form to leave my system for drug testing and screens?

Methadone: Methadone is one of those drugs where it's almost impossible to say when it will be completely washed out of your system - essentially because it has a ton of metabolites and a huge half life window. Could be as little as 2 days or 2 weeks. Hope that helps! ...Read more

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I'm on the methadone program but I took 2 5mg percocets on tue morning and had a drug test on thur afternoon, will I test positive for the percocets? B

I'm on the methadone program but I took 2 5mg percocets on tue morning and had a drug test on thur afternoon, will I test positive for the percocets? B

Depends on the test: Most blood tests are only positive for 24 hours, but urine tests can be positive for 3-4 days. Hair tests can test for drug use within the last 90 days or even longer depending on the length of your hair. I would imagine that those running the Methadone program would use both urine and blood tests to evaluate. ...Read more

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I take methadone on a daily basis an had a drug test that came up positive for opiate an negative for methadone can this be true???

Yes: Lab errors happen. If u have take home bottles, get retested so your take home bottles aren't taken away. Currently it appears that you are not taking methadone. Lab errors do happen, though. ...Read more

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I took 10 mg of methadone 3 days ago for migraine. Have a drug test tomorrow. Female, 5'4", 170 lbs, 42 yrs. Plz tell me I will pass.

Most likely: The half-life of methadone is up to 65 hours. Just keep in mind is that methadone should only be chosen for treatment of chronic migraine after a trial of other safer medications. ...Read more

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How did I fail my drug test for methadone n benzos even when I haven't taken them?

How did I fail my drug test for methadone n benzos even when I haven't taken them?

Long half life: Certain benzo such as Klonopin (clonazepam) and valium have longer half life and stay in your body longer which is why they are detected a few days later, Methadone has the same property. ...Read more

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Help please? What are docs suppose to do if you fail a drug test for methadone (not prescribed)?

Help please? What are docs suppose to do if you fail a drug test for methadone (not prescribed)?

Depends on why you: Are taking the test. Tests are not necessarily interpreted by physicians in all (or even most) cases, and the decision may be made by an employer, school system, parole or probation officer, child welfare worker etc etc as to what the consequences are. If a doctor is involved, they may try to find out if the test might be a false positive by interviewing you, but they will report their results. ...Read more

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How do I get 80mg. Of methadone out of my system for a drug test In a very short period of time?

Drug test: You dont. Methadone has a long half life which means it takes a long time to get out of the system. ...Read more

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I'm not able 2 pass a urine drug test the past 3 months. Never had this problem b4. I'm currently taking klonopin, Abilify (aripiprazole) & methadone. Would meds b y?

UDT: This really depends on what drug test you are trying to pass. If its a work done - then yes these meds will have an effect on your passing the test. If its in your doctors office then you are doing something you should not. ...Read more

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I did half a methadone on Saturday at a party. I have never done one before ever. I have a drug test for a job Friday. That will be Six days will it be put of my system by then?

It depends on you.: Methadone has a long half life. It's fat soluble and elimination factors can vary based on genetics, other medications taken, and body habitus, to name a few. The half-life measures the amount of time it takes to eliminate half the amount ingested. Methadone 1/2 life varies from 4 hrs to as high as 190 hrs. Multiply times 5 (20 hrs (<1 day)to 950 hrs (39.5 days)). Test sensitivities vary, also ...Read more

Dr. Alan Wartenberg
585 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