Methadone/Summary

Main article: Methadone

Psychoactive class: Opioids

Chemical class: Diphenylpropylamine

Oral

Thresh Common Heavy

1 - 3 - 5 - 15 - 30 mg

Light Strong
- Onset: 20 - 90 minutes
- Peak: 6 - 8 hours
- Afterglow: 1 - 24 hours

Harm potential

- Extremely addictive with a high potential for abuse
- Moderate toxicity, potentially lethal when mixed with depressants like alcohol or benzodiazepines

Tolerance

- Full tolerance is reached develops with prolonged and repeated use
- Decreases to half after 3 - 7 days
- Returns to baseline after 1 - 2 weeks
- Cross-tolerance with all other opioids

Physical effects

Visual effects

- Internal hallucination

Cognitive effects

See also

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