Heroin/Summary

Main article: Heroin

Psychoactive class: Opioid

Chemical class: Morphinan

Insufflated

• Thresh				Common				Heavy
  5	-	7.5	-	20	-	35	-	50	mg
  		Light				Strong

• • Total: 3 - 6 hours
  • Onset: 10 - 15 seconds

Smoked

• Thresh				Common				Heavy
  2	-	5	-	15	-	25	-	50	mg
  		Light				Strong

• • Onset: 5 - 10 seconds

Harm potential

• • Extremely addictive with a high potential for abuse

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

• • Physical euphoria
  • Pupil constriction
• • Cough suppression
  • Pain relief
  • Respiratory depression
  • Sedation
• • Constipation
  • Difficulty urinating
  • Itchiness
  • Nausea

Visual effects

• • Internal hallucinations

Cognitive effects

• • Cognitive euphoria
  • Compulsive redosing
• • Anxiety suppression
  • Decreased libido

See also

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