Methadone/Summary

Main article: Methadone

Psychoactive class: Opioids

Chemical class: Diphenylpropylamine

Oral

• Thresh				Common				Heavy
  1	-	3	-	5	-	15	-	30	mg
  		Light				Strong

• • Total: 10 - 19 hours
  • Onset: 20 - 90 minutes
  • Come up: 2 - 4 hours
  • Peak: 4 - 6 hours
  • Offset: 4 - 6 hours
  • Afterglow: 1 - 24 hours

Harm potential

• • Extremely addictive with a high potential for abuse
  • Moderate toxicity

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

Physical effects

• • Appetite suppression
  • Cough suppression
  • Pain relief
  • Respiratory depression
  • Sedation
• • Abnormal heartbeat
  • Constipation
  • Difficulty urinating
  • Itchiness
  • Nausea
  • Respiratory depression

Visual effects

• • Internal hallucination

Cognitive effects

• • Cognitive euphoria
  • Compulsive redosing
• • Anxiety suppression

See also

• Responsible use
• Summary index
• Subjective effect index
• Psychoactive substance index