Stimulants
Mephedrone (M-Cat / Meow Meow)
Street names: M-Cat, Meow meow, 4-MMC, Drone, Bubbles
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Euphoria, empathy, energy — MDMA-cocaine hybrid
- Strong urge to redose
⚠Key risks
- Cardiovascular strain — racing heart, overheating
- Compulsive redosing drives days-long binges and psychosis
- Serotonin depletion crashes
- Frequently cut with caffeine, glucose, or worse
- UK's 2010 'legal high' epidemic before Class B scheduling
✚Overdose signs
- Racing irregular heartbeat
- Overheating, sweating
- Agitation, paranoia, seizures
Category comparison — Stimulants
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Mephedrone (M-Cat / Meow Meow) | Schedule I | Cardiovascular strain — racing heart, overheating; Compulsive redosing drives days-long binges and psychosis | $15–$40/g |
| 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 Mephedrone (M-Cat / Meow Meow) look like?
White/off-white powder or crystals; '4-MMC' crystal shards; capsules
What are the signs of a Mephedrone (M-Cat / Meow Meow) overdose?
Racing irregular heartbeat; Overheating, sweating; Agitation, paranoia, seizures Call emergency services immediately.
How addictive is it?
Cardiovascular strain — racing heart, overheating Dependence can develop with regular use.