Phenazepam
Typical Dose 1-2 mg
Duration 18h - 18h
Interaction Risk Unknown
Detection Methods 2
Description
A very long acting, potent and subtle benzodiazepine. Infamous for the calamitous experiences it tends to produce in people dosing unknown amounts. Prescribed in certain countries for epilepsy and alcohol withdrawal.
Effects & Dosing
Dosage
Oral
| Light | Common | Strong | Heavy |
|---|---|---|---|
| 0.5-1 mg | 1-2 mg | - | 2-4 mg |
Duration
Oral
Onset 15 min - 1h
Total Duration 18h - 18h
After Effects 36h - 36h
Safety & Risks
Safer Use
- All other CNS depressants.
Detection Times
| Method | Detection Window |
|---|---|
| Urine | 7–21 days |
| Hair | 1–90 days |
Note: Very long-acting benzodiazepine (half-life 60+ hours). Extended detection window. Some standard immunoassays may miss it.
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