Benzodiazepines
Phenazolam (Clobromazolam)
Street names: Clobromazolam, Phenazo, Designer long-tail benzo
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Heavy, long-lasting sedation — clobromazolam is among the most long-acting designer benzos, with effects that can stretch 12+ hours and a half-life measured in days
- Strong anxiolysis and muscle relaxation at low doses
- Blackout territory above ~1–2 mg, especially combined with other depressants
⚠Key risks
- Overtaking bromazolam in several European drug-checking and forensic reports — the designer-beno rotation continues one molecule ahead of the law
- Extreme duration: redosing before the first dose has peaked stacks sedatives for days
- Pressed pills carry uneven doses — one half can floor you while the other does nothing
- Dependence forms fast; withdrawal from long-acting benzos is protracted — weeks of anxiety, insomnia and seizure risk
- Found alongside opioids in the same supplies — respiratory depression stacks
✚Overdose signs
- Unrousable sleep far longer than intended
- Very slow or irregular breathing, especially mixed with opioids
- Cold, clammy skin; snoring or gurgling breath sounds
Category comparison — Benzodiazepines
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Phenazolam (Clobromazolam) | Not federally scheduled | Overtaking bromazolam in several European drug-checking and forensic reports — the designer-beno rotation continues one molecule ahead of the law; Extreme duration: redosing before the first dose has peaked stacks sedatives for days | ~$2–5 per pressed pill |
| Diazepam | Schedule IV | Dependence in 2–4 weeks of daily use; Dangerous withdrawal (seizures) — never stop cold turkey | ~$1–$10 per 10 mg tablet |
| Alprazolam (Xanax 2 mg) | Schedule IV | Dependence within weeks; brutal withdrawal (seizures risk); Counterfeit 'bars' increasingly contain fentanyl or bromazolam | ~$2–$10 per 2 mg bar |
| Lorazepam (Ativan 2.5 mg) | Schedule IV | Dependence and withdrawal seizures; Rebound anxiety between doses | ~$1–$5 per 2.5 mg tablet |
| Clonazepam (Rivotril/Klonopin 2 mg) | Schedule IV | Long half-life — dependence builds silently; Withdrawal can last months | ~$1–$5 per 2 mg tablet |
| Nitrazepam (Nipam 5 mg) | Schedule IV | Morning 'hangover' impairment; Dependence and falls in older users | ~$1–$4 per 5 mg tablet |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does Phenazolam (Clobromazolam) look like?
White powder, pressed into counterfeit benzo pills or sold as pellets; active in the ~0.5–1 mg range
What are the signs of a Phenazolam (Clobromazolam) overdose?
Unrousable sleep far longer than intended; Very slow or irregular breathing, especially mixed with opioids; Cold, clammy skin; snoring or gurgling breath sounds Call emergency services immediately.
How addictive is it?
Overtaking bromazolam in several European drug-checking and forensic reports — the designer-beno rotation continues one molecule ahead of the law Withdrawal can be life-threatening — medical tapering is essential.