Heroin
Aliases: H, Boy, Junk, Dope, Gear, diamorphine
Summary
Diacetylmorphine or morphine diacetate (also known as diamorphine and heroin as well as colloquially as H, dope, smack, junk, brown, boy, and others) is a semi-synthetic opioid substance of the morphinan class. It is a derivative of morphine, a natural product of the opium poppy (Papaver somniferum). Heroin is known for its highly addictive properties and it makes up a large portion of the illicit traffic in narcotics.
Dose Information
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Intravenous | - | 5-8mg | 8-15mg | 15mg+ |
| Insufflated | 7.5-20mg | 20-35mg | 35-50mg | 50mg+ |
| Smoked | 5-15mg | 15-25mg | 25-50mg | 50mg+ |
Onset, Duration & After-effects
| ROA | Onset | Comeup | Peak | Offset | Total |
|---|---|---|---|---|---|
| Intravenous | 0-1 min | 1-2 min | 1-90 min | 1-3 hrs | 1-4.5 hrs |
| Insufflated | 2-10 min | 10-20 min | 30-90 min | 2-4 hrs | 2.7-6 hrs |
Opioid MME Calculator
| Substance | Equivalent Dose | MME Factor |
|---|
⚠ Equianalgesic dose ratios are approximations and do not account for genetic factors, tolerance, incomplete cross-tolerance, or pharmacokinetic variations. Methadone conversion is especially variable at higher doses. Always consult a healthcare provider before making any changes to opioid therapy.
Effect Profile
470 reportsScores (1–10) curated from multiple sources:
- Effect keyword matching from PsychonautWiki catalog
- Validated against 377 Erowid trip reports
- Weighted by importance: core (×3), major (×2), minor (×1)
Strong euphoria, pain relief, and sedation with moderate itching/nausea
“It's a rush that's I've never experienced before in my life (unless I was on hallucinogens and thought I was in danger or something).”
“Like I said in the beginning, it's a misconception that smoking is less dangerous because of the theory that "youll pass out before you can OD." The truth is, respiratory depression can set in BEFORE...”
“It didn't last very long until I began nodding off, and had a similar experience to falling asleep, but the hypnogogic imagery was compleatly different than that of a normal night.”
“After the coke wears off, I start nodding off heavy.”
“I was on sick leave.”
“I never actually fell asleep, and instead just had mild greyscale visions dotted with the occasional minimalist color while feeling really good, but horribly itchy.”
User Experience
Tolerance
Tolerance Decay
Clinical and community data indicate rapid tolerance accrual with daily use and partial decay within days of cessation; overdose risk is highest after breaks when prior doses are resumed. Values are approximate and vary by individual, dose, and duration of use. Data quality mixed (clinical inference and user reports).
Cross-Tolerances
Effects
Aggregated from 377 Erowid and 93 Bluelight experience reports