Sedatives & Hypnotics

Cyclobenzaprine (Flexeril)

Street names: Flexeril, Cyclobenz, Merck tabs

Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines

⚡What it does

Also known asFlexeril, Cyclobenz, Merck tabs

CategorySedatives & Hypnotics

Schedule / classNot scheduled (US)

AppearanceYellow/orange 10 mg tablets (Merck); white 5 mg

Street price~$1–$5 per 10 mg tablet

Legal statusRx-only (not federally controlled); prescription misuse is still illegal

Last updated2026-09-12

Sources: FDA, NIH

Substance	Class	Top risks	Street price
Cyclobenzaprine (Flexeril)	Not scheduled	Overdose causes hallucinations, seizures, heart rhythm problems; Abuse usually in combination (potentiates opioids)	~$1–$5 per 10 mg tablet
Zolpidem (Ambien/Stilnox)	Schedule IV	Sleep-walking, sleep-driving, hallucinations; Dependence and rebound insomnia	~$2–$10 per 10 mg tablet
Secobarbital (Seconal)	Schedule II	Barbiturates: tiny margin between dose and death; Fatal in overdose, brutal withdrawal (seizures) — replaced by benzos in medicine	~$15–$40 per capsule where diverted
Carisoprodol (Soma)	Schedule IV	Converts to meprobamate (Miltown) — dependence; Popular 'Soma Coma' mix with opioids — deadly	~$1–$8 per 350 mg tablet
Pentobarbital (Nembutal)	Schedule II	Veterinary euthanasia drug — overdose is usually fatal; Narrow safety margin (barbiturate)	~$30–$100+ per vial/capsule-equivalent

Street prices are regional estimates. Potency and cuts vary constantly — see our pressed pill guide.

Profiles are reviewed against NIDA/DEA/EMCDDA sources. See something off? Submit a correction — it goes straight to our editorial queue.