Methadone Testing

Examples: Roxane, Dolophine

Medical uses: Treatment of opiate addicts in approved program

Effects attractive to abuser: Same as opiates (below)

Adverse effects: Same as opiates (below) but with lesser degree of physical
dependency (addiction)

How abused: Pills taken orally; solution injected intravenously.

Period detectable after last dose: 7.5-56 hours

Substances causing false positive results: doxylamine [Unisom Nighttime
Sleep Aid]. Presence of this substance would be ruled out by confirmatory
testing.