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Does Methadone Show Up On A Drug Test?

 

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Methadone has long been classified as a synthetic opioid drug. It is commonly being used for the treatment of opioid dependence. Also, it offers the same effects that heroin and morphine bring about although it boasts a longer duration of effects. Although the drug is basically used in the medical setting for its therapeutic effects especially in patients who experience withdrawal symptoms caused by other drugs, several studies have shown that numerous people have also become addicted to Methadone.

  • The full analgesic effect of Methadone is not commonly attained until 3-5 days after the last use.
  • Methadone is found to induce cardiovascular issues, as well as respiratory depression the moment you use it.
  • The 5-panel tests are the commonly used tool to detect Methadone as well as other types of drugs like Amphetamines, Phencyclidine, and Cannabinoids.
  • These tests are quite expensive.
  • While standard drug tests are unable to reveal Methadone’s presence in the system, it is possible to detect Methadone via extended drug tests especially those designed for the drug itself.

A standard opiate drug test may not be able to detect Methadone.

If your employer is requiring you such kind of drug test as part of their pre-employment process, then you need not worry as a Methadone-specific drug test will be the only kind to determine individualist presence in the system. Considering its cost, employers do not usually make use of them unless there is reasonable evidence to make them suspect that you’re using Methadone.

If such kind of test has been ordered, the period of detection of Methadone in the urine ranges from 1-10 days. However, certain individuals who take the Methadone urine test show a positive result up to 30 days from their last usage.

12-panel drug test can be opted for

The test will be able to present Methadone in its category on the so-called 12 panel. Contrary to other types of narcotics that are usually cleared from the body in the span of 24-48 hours, traces of Methadone may still be detected a week or even more.

Methadone can also be found in the blood as well as in the saliva. Methadone metabolites, on the other hand, can be detected in the urine 2-4 days after the last usage.

The elimination half-life of Methadone is from 8-59 hours. The (R, S)-methadone, specifically, has a half-life of 15-60 hours, while the (R)-methadone has a half-life of 10-40 hours. By contrast, analgesic action lasts 4-8 hours. While it is true that methadone can reach peak concentration in the blood plasma in about 4 hours after usage, methadone is already found in the blood half an hour after oral or intravenous administration.

The majority of methadone drug tests are being done through urine screen.

In some cases, blood screens and saliva drug tests can also be used to detect methadone although it is not regularly used in the clinical setting. A number of medical professionals suggest that the concentrations of methadone found through blood plasma tests could be the “gold standard” in the assessment of treatment compliance.

More often than not, blood testing can be difficult, impractical, and costly. Another option to detect Methadone and other opioids are through an oral fluid screen. However, this method is not commonly practiced.

 

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