Stimulants
Phenmetrazine (Preludin)
Street names: Preludin, PM, Phenmetrazine HCl
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Morpholine-class stimulant — smoother, less jittery than amphetamine; strong appetite suppression
- Popularized the 'housewife diet pill' era of the 1950s–70s
⚠Key risks
- WITHDRAWN globally for dependence — now reappearing in grey-market 'vintage stimulant' listings 2022+
- Cardiovascular strain: tachycardia, hypertension, vasoconstriction
- Psychosis and compulsive use at binge doses
- Frequently mislabeled or adulterated in grey-market supply
✚Overdose signs
- Chest pain, arrhythmia
- Severe agitation
- Hypertensive crisis
Category comparison — Stimulants
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Phenmetrazine (Preludin) | Schedule II | WITHDRAWN globally for dependence — now reappearing in grey-market 'vintage stimulant' listings 2022+; Cardiovascular strain: tachycardia, hypertension, vasoconstriction | Grey-market: ~$2–5 per tablet equivalent |
| Cocaine | Schedule II | Heart attack/stroke even in young users; Severe addiction — craving cycle | ~$60–$120 per gram |
| Speed (amphetamine paste) | Schedule II | Insomnia, anxiety, paranoia; Heart strain and overheating | ~$10–$40 per gram |
| Methamphetamine | Schedule II | Addiction — among the most addictive drugs known; Meth mouth, skin sores, psychosis | ~$20–$100 per gram |
| Adderall (amphetamine salts) | Schedule II | Dependence and tolerance; Cardiovascular strain | ~$3–$15 per 30 mg tablet |
| Adderall XR | Schedule II | Same as Adderall; long duration masks sleep debt; Beads snorted bypass XR mechanism | ~$5–$20 per 30 mg capsule |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does Phenmetrazine (Preludin) look like?
White powder or replicated 'Preludin' tablets in grey-market listings
What are the signs of a Phenmetrazine (Preludin) overdose?
Chest pain, arrhythmia; Severe agitation; Hypertensive crisis Call emergency services immediately.
How addictive is it?
WITHDRAWN globally for dependence — now reappearing in grey-market 'vintage stimulant' listings 2022+ Dependence can develop with regular use.