Stimulants
3-CMC / 4-CMC (clephedrone/chloromethcathinone)
Street names: 3CMC, 4CMC, Clephedrone, CMC crystals
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Mephedrone-like stimulation and euphoria
⚠Key risks
- Suspected serotonin neurotoxicity (chlorine atom like para-chloroamphetamine)
- Cardiovascular strain
✚Overdose signs
- Racing heart
- Overheating
- Agitation
Category comparison — Stimulants
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| 3-CMC / 4-CMC (clephedrone/chloromethcathinone) | Controlled in several EU states; analogue prosecutions | Suspected serotonin neurotoxicity (chlorine atom like para-chloroamphetamine); Cardiovascular strain | ~$15–$35 per gram |
| 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 3-CMC / 4-CMC (clephedrone/chloromethcathinone) look like?
White/off-white crystals or powder
What are the signs of a 3-CMC / 4-CMC (clephedrone/chloromethcathinone) overdose?
Racing heart; Overheating; Agitation Call emergency services immediately.
How addictive is it?
Suspected serotonin neurotoxicity (chlorine atom like para-chloroamphetamine) Dependence can develop with regular use.