At a Glance
Dosage
intravenous
| Level | Morphine | Heroin |
|---|---|---|
| Threshold | 3.33 mg | — mg |
| Light | 3.33–5 mg | — mg |
| Common | 5–7.5 mg | 5–8 mg |
| Strong | 7.5–10 mg | 8–15 mg |
| Heavy | 10 mg | 15 mg |
Only in Morphine
oral
| Level | Dose |
|---|---|
| Threshold | 10 mg |
Duration
intravenous
Morphine
intravenous
Peak
Offset
Onset: 0 sec – 30 secCome Up: 2 min – 5 minPeak: 1.5 hrs – 2.5 hrsOffset: 1 hrs – 1.5 hrs
Total: 4 hrs – 5 hrs
Heroin
intravenous
Peak
Offset
Effects
Safety
Interaction: Morphine + Heroin
No direct interaction data available between these substances. This does not mean the combination is safe.
Morphine — Dangerous Interactions
Frequently Asked Questions
What is the difference between Morphine and Heroin?
Morphine is classified as a Opioids (Substituted morphinans) while Heroin is classified as a Opioids (Substituted morphinans). They share 18 effects in common, with 10 effects unique to Morphine and 4 unique to Heroin.
Is it safe to combine Morphine and Heroin?
There is no direct interaction data available for combining Morphine and Heroin. This does not mean the combination is safe. Always exercise caution and research thoroughly.
Which is stronger, Morphine or Heroin?
At common doses via intravenous, Morphine is typically dosed at 5–7.5 mg while Heroin is dosed at 5–8 mg. However, "stronger" depends on context — potency, subjective intensity, and duration all factor in. These substances have different pharmacological profiles and comparing raw potency is not straightforward.