Library
4-MPD
Stimulant of the cathinone class. Higher homologue of Mephedrone, and the p-Methyl analogue of Pentedrone.
Also known as: 4-methylpentedrone, Para-methyl pentedrone, P-methyl pentedrone
Classification
- Chemical: Cathinone
- Psychoactive: Stimulant
- Tag: Habit-Forming
- Tag: Tentative
Effects
- Stimulation
- Physical Comfort
- Loss Of Appetite
- Teeth Grinding
- Jaw Tension
- Coldness
- Euphoria
- Sociability Enhancement
- Talkativeness
- Empathy Enhancement
- Anxiety
- Paranoia
- Increased Music Appreciation
- Increased Libido
- Light Sensitivity
Routes of Administration
Oral
Dosage
- Heavy: 275+ mg
- Light: 40–80 mg
- Common: 80–180 mg
- Strong: 180–275 mg
- Threshold: 15–25 mg
Duration
- Onset: 0.17-0.5 h
- Peak: 0.8-2 h
- Offset: 2-3.5 h
- After Effects: 3.5-7 h
- Total Duration: 3-5 h
Insufflated
Dosage
- Heavy: 90+ mg
- Light: 15–25 mg
- Common: 25–60 mg
- Strong: 60–90 mg
- Threshold: 5–10 mg
Duration
- Onset: 0.03-0.17 h
- Peak: 0.5-1.5 h
- Offset: 1-2 h
- After Effects: 2-6 h
- Total Duration: 2-4 h
Vaporized
Dosage
- Heavy: 60+ mg
- Light: 5–15 mg
- Common: 15–35 mg
- Strong: 35–60 mg
- Threshold: 2–5 mg
Duration
- Onset: 0-0.02 h
- Peak: 0.17-0.75 h
- Offset: 0.75-1.5 h
- After Effects: 1.5-5 h
- Total Duration: 1.5-3 h
Harm Reduction
Check interactions before mixing substances, pay attention to dose spacing and hydration, and treat all dosage guidance as approximate rather than guaranteed safe.
Sources
Substance data is aggregated from the following public harm-reduction and reference sources.
Links
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