Undefined how long does methadone stay in ones system?

The amount of time that methadone stays in a person's system can vary depending on a number of factors, including:

* The dose of methadone that is taken

* The frequency of use

* The individual's metabolism

* The presence of other drugs or substances in the system

In general, methadone can be detected in the urine for up to 3 days after the last dose is taken. However, it can be detected in the blood for a shorter period of time, typically up to 24 hours after the last dose.

It is important to note that these are just general guidelines, and the exact amount of time that methadone stays in a person's system can vary. If you have any questions or concerns about how long methadone will stay in your system, it is best to talk to your doctor.