PMA Stats & Data
[Cl-].CC(N)Cc1ccc(C)cc1.[H+]KOFSZKDEQWGBDN-UHFFFAOYSA-NPharmacology
DrugBankMechanism of Action
4-Methoxyamphetamine is a seratogenic drug of the amphetamine class. The drug acts as a potent and selective serotonin releasing agent. It binds to alpha receptors to mediate these effects.
Receptor Profile
Receptor Actions
Effect Profile
Curated + 17 ReportsModerate 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 & Pharmacokinetics
drugs.wikiTolerance 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
Experience Report Analysis
ErowidDemographics
Gender Distribution
Age Distribution
Reports Over Time
Effect Analysis
ErowidEffects aggregated from 17 experience reports (17 Erowid)
Effect Sentiment Distribution
Confidence Distribution
Positive Effects 5
Adverse Effects 2
Real-World Dose Distribution
62K DosesFrom 21 individual dose entries
Form / Preparation
Most common forms and preparations reported
Redose Patterns
Redosing behavior across 10 reports
Legal Status
| Country | Status | Notes |
|---|---|---|
| Australia | PMA is considered a Schedule 9 prohibited substance in Australia under the Poisons Standard (October 2015). | A Schedule 9 substance is a substance which may be abused or misused, the manufacture, possession, sale or use of which should be prohibited by law except when required for medical or scientific research, or for analytical, teaching or training purposes with approval of Commonwealth and/or State or Territory Health Authorities. |
| Austria | PMA is illegal to possess, produce and sell under the SMG (Suchtmittelgesetz Österreich) | | |
| Brazil | Possession, production and sale is illegal as it is listed on Portaria SVS/MS nº 344. | |
| Canada | PMA is a Schedule I substance. | |
| Finland | Substance is scheduled in decree of the government on amending the government decree on substances, preparations and plants considered to be narcotic drugs. | |
| Germany | PMA is part of the Appendix 1 of the Betäubungsmittelgesetz. | Therefore, owning and distribution of PMA is illegal. |
| Netherlands | On 13 June 2012 Edith Schippers, Dutch Minister of Health, Welfare and Sport, revoked the legality of PMA in the Netherlands after five deaths were reported in that year. | |
| Russia | PMA is classed as a Schedule I substance. | |
| Switzerland | PMA is a controlled substance specifically named under Verzeichnis D. | |
| United Kingdom | PMA is a Class A drug in the UK. | |
| United States | PMA is classified as a Schedule I hallucinogen under the Controlled Substances Act in the United States. |
Harm Reduction
drugs.wikiExtremely narrow therapeutic index: the gap between a ‘common’ dose and life-threatening toxicity is small. PMA is frequently mis-sold as MDMA in pressed pills or powders, but it has slower onset (often >60 minutes) and less euphoria, prompting risky redosing that has been implicated in clusters of fatalities. Expect marked hyperthermia and hypertension risk; avoid hot environments, prolonged dancing, and strenuous activity. If effects are unexpectedly delayed or atypical for MDMA, do not redose and seek a cool, quiet space. Hydrate with small sips of isotonic fluids (~300 mL/hour) and avoid overhydration. Reagent testing: PMA typically shows no reaction with Marquis/Mecke; PMMA may show a blue Simon’s reaction without MDMA-like Marquis/Mecke changes. Absence of the expected MDMA reaction is a red flag—only lab drug checking (e.g., GC/MS) can confirm composition. Strongly avoid combinations with serotonergic agents (SSRIs, MAOIs, tramadol, dextromethorphan, triptans) and with other stimulants or MDMA, due to serotonin syndrome and hyperthermia risk. Seek emergency help for high temperature, confusion/agitation, severe headache, chest pain, or persistent vomiting. Given its poor safety profile and repeated association with deaths, routine recreational use is not advised.
References
Data Sources
Cited References
Drugs.wiki References
- Erowid PMA Vault (general info, risks, historical outbreaks)
- Erowid-hosted EMCDDA/EMCDDA-style PDF with PMA pharmacotoxicology notes (incl. identity, historical harms)
- Saferparty Zürich – PMA page (dose caution, delayed onset, risk profile)
- Saferparty Zürich – MDMA warnings with practical harm reduction (wait 2 h; ~3 dl/h hydrating)
- EUDA (ex-EMCDDA) – PMMA risk assessment & mixing risks; PMA/PMMA in ecstasy products
- EUDA news (2002): high overdose risk esp. when confused with MDMA; mixing with alcohol/stimulants increases risk
- DrugWise – PMA overview and DrugWatch factsheet (mis-selling, deaths, toxicity)
- DrugWise – DrugWatch factsheet PMA/PMMA (context and harms)
- Bluelight: ‘PMA important’ thread (Marquis no reaction reported; cautions)
- Reddit r/ReagentTesting: PMA/PMMA reagent patterns discussion (Simons positive for PMMA; no Marquis/Mecke)