PMA
Aliases: 4-ma, 4-methoxyamphetamine
Summary
PMA is a strong psychedelic which may cause dangerous overheating of the body. PMA has been sold in ecstasy tablets, and has lead to life-threatening or fatal hyperthermia in some users.
Perspectives
“At just over an hour, there was a sudden blood pressure rise, with the systolic going up 55 mm. This was maintained for another hour. I found the effects reminiscent of DET, distinct after-images, and some parasthesia. I was without any residue by early evening (after 5 hours).”
Dose Information
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Oral | 20-40mg | 40-60mg | - | - |
Effect Profile
17 reportsScores (1–10) curated from multiple sources:
- Effect keyword matching from PsychonautWiki catalog
- Weighted by importance: core (×3), major (×2), minor (×1)
Moderate visuals with mild auditory effects and body load, low headspace
Strong anxiety/jitters with moderate stimulation, low euphoria and focus
Mild itching/nausea with low euphoria and sedation
Tolerance
Tolerance Decay
Data on PMA-specific tolerance are scarce; pattern approximated from amphetamine-like stimulants with serotonergic activity. Anecdotal reports suggest rapid acute tolerance during binges and partial cross-tolerance with MDMA-class agents.
Cross-Tolerances
Effects
Aggregated from 17 Erowid experience reports
Positive Effects 5
Adverse Effects 2
Combinations
PiHKAL / TiHKAL
“At just over an hour, there was a sudden blood pressure rise, with the systolic going up 55 mm. This was maintained for another hour. I found the effects reminiscent of DET, distinct after-images, and some parasthesia. I was without any residue by early evening (after 5 hours).”