How Long Does Methadone Stay In Your System? In
2020-6-15 · As part of your addiction program, your methadone use is usually monitored by your treatment center. Urine, saliva, hair, and blood tests have all been developed to test for the presence of methadone in the system. Urine tests: These are the preferred way to test for methadone use with a detection window of one hour to two weeks
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