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§2.7.4 · ChemicalsEmpathogens & Entactogens

MDMA

3,4-Methylenedioxymethamphetamine

Also known as Molly · Ecstasy · XTC · Mandy · E · Pingas

Acute: Moderate riskDependency: Moderate risk Test for fentanyl

Images

Quick reference

Routes
Oral
Form
Pill
Shulgin rating
++*

Duration

Onset
45 Minutes
Total duration
5 Hours

Experience

Primary effects

  • A strong mood lift and sense of elevation, particularly in a positive headspace.
  • Brings about a happy, pleasant buzz, confidence, and a 'rolling' sensation with semi-euphoria.
  • Can enhance sensuality and intimacy, though not necessarily leading to compulsive sexual interest.

Peak character

  • Intensely pleasurable but can feel close to the edge, potentially leading to anxiety and impaired functionality.
  • A dreamy high with a sensual edge; can cause hotness, sweating, and difficulty staying functional with flickering eyelids.

Negatives / side effects

  • Over-hydration is a serious risk, just as dehydration is. Maintain moderate fluid intake.
  • High doses, especially with redosing, can lead to overwhelming intensity, significant impairment, and jaw clenching (bruxism).
  • Adulteration with highly toxic chemicals like PMA/PMMA, or other substances, is a significant risk; always test your MDMA.

Aftereffects / comedown

  • Can result in a lingering headache and a general 'heady malaise' that persists into the next day.
  • A slow, gradual comedown, followed by potential background depression and lack of positivity for several days.
  • Establishing a long break (3 months, 6 weeks minimum) between uses is crucial for serotonin recovery and reducing negative aftereffects.

Reference dosage

Reference ranges from third-party harm-reduction databases. Individual response varies enormously — start lower than you think.

Any route
threshold30mg+
light40mg+
strong150mg+
heavy200mg+

Reagent testing

Recommended reagents
Expected reactions
MarquisPurple → black (rapid, strong — characteristic)
MeckeBlue → black
FroehdeBlue → black
Simon'sBlue (secondary amine — confirms MDMA vs MDA/6-APB)

Adulterant detection: Marquis purple/black is characteristic. Simon's positive (blue) confirms secondary amine = MDMA rather than MDA or 6-APB. PMA/PMMA are dangerous adulterants — they also give Marquis purple but more slowly; slow Marquis reaction is a red flag. Fentanyl in pressed pills increasingly documented.

CRITICAL: Test with both Marquis AND Simon's. A slow Marquis reaction relative to expected speed may indicate PMA/PMMA — extremely dangerous compounds. Fentanyl strip for pressed pills. Always use all four reagents for MDMA.

Source

Reference fields and narrative for MDMA extracted from The Drug Users Bible by Dominic Milton Trott (MxZero Publishing, 2022).

drugusersbible.com

Harm reduction notice

This platform provides educational and harm-reduction information adapted from public reference material. It does not endorse, encourage, or facilitate drug use. It is not medical advice. If you or someone near you may be in a medical emergency, contact local emergency services immediately.