Library

Méthylènedioxyphénmétrazine

MDPM is an extremely novel substance with virtually no human pharmacological data. It acts as a strong CYP2D6 inhibitor and moderate CYP3A4/CYP1A2 inhibitor, creating significant drug-drug interaction risks when combined with medications or substances metabolized by these enzymes. Often appears as a synthetic impurity in MDMA manufacture. Confirm identity with spectroscopy before use. Use professional reagent testing, employ allergy tests, and practice incremental dosing.

Méthylènedioxyphénmétrazine molecular structure
Méthylènedioxyphénmétrazine molecular structure diagram from the DrugsPRO substance library.

Also known as: Mdpm, 3-mdpm, 3,4-mdpm

Classification

  • Chemical: Phenylmorpholine
  • Psychoactive: Stimulant
  • Tag: Phenmetrazine
  • Tag: Research-Chemical

Effects

  • Stimulation
  • Increased Heart Rate
  • Teeth Grinding
  • Pupil Dilation
  • Insomnia
  • Jaw Tension
  • Increased Motivation
  • Focus Enhancement
  • Euphoria
  • Empathy
  • Anxiety
  • Empathy Enhancement
  • Appetite Suppression
  • Light Sensitivity
  • Increased Libido
  • Increased Music Appreciation
  • Tinnitus
  • Dehydration

Routes of Administration

Oral

Dosage

  • Threshold: 50-75 mg
  • Light: 75-150 mg
  • Common: 150-250 mg
  • Strong: 250-400 mg
  • Heavy: 400+ mg

Duration

  • Onset: 0.25-0.67 h
  • Peak: 1-3 h
  • Offset: 2-4 h
  • After Effects: 6-14 h
  • Total Duration: 4-7 h

Insufflated

Dosage

  • Threshold: 20-40 mg
  • Light: 40-75 mg
  • Common: 75-125 mg
  • Strong: 125-200 mg
  • Heavy: 200+ mg

Duration

  • Onset: 0.08-0.17 h
  • Peak: 0.5-1.5 h
  • Offset: 1.5-3 h
  • After Effects: 2-6 h
  • Total Duration: 2-4 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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Methylenedioxyphenmetrazine - Guide des substances DrugsPRO

Methylenedioxyphenmetrazine: MDPM is an extremely novel substance with virtually no human pharmacological data. It acts as a strong CYP2D6 inhibitor and moderate CYP3A4/CYP1A2 inhibitor, creating significant drug-drug interaction risks when combined with medications or substances metabolized by thes

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