Heroin/Summary

Main article: Heroin

Psychoactive class: Opioids

Chemical class: Substituted morphinans

Insufflated

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

• • Total: 3 - 7 hours
  • Onset: 10 - 60 seconds
  • Come up: 10 - 60 seconds
  • Peak: 1 - 90 minutes
  • Offset: 1 - 3 hours
  • Afterglow: 1.5 - 3 hours

Smoked

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

• • Total: 3 - 5 hours
  • Onset: 5 - 10 seconds
  • Come up: 5 - 10 seconds
  • Peak: 15 - 30 minutes
  • Offset: 15 - 30 minutes
  • Afterglow: 10 - 30 minutes

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

• • Appetite suppression
  • Cough suppression
  • Pain relief
  • Respiratory depression
  • Sedation
• • Constipation
  • Decreased heart rate
  • Dehydration
  • Difficulty urinating
  • Increased perspiration
  • 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