Desmethylflunitrazepam
Typical Dose 1-2 mg
Duration 5h - 10h
Interaction Risk Unknown
Detection Methods 1
Description
Desmethylflunitrazepam (also known as norflunitrazepam and fonazepam) is a benzodiazepine that is a metabolite of flunitrazepam and has been sold online as a designer drug.
Effects & Dosing
Dosage
Oral
| Light | Common | Strong |
|---|---|---|
| 0.5-1 mg | 1-2 mg | 2-4 mg+ |
Duration
Oral
Onset 30 min - 1h
Total Duration 5h - 10h
After Effects 2h - 12h
Safety & Risks
Safer Use
- All other CNS depressants.
Detection Times
| Method | Detection Window |
|---|---|
| Urine | 3–7 days |
Note: Metabolite of flunitrazepam. Also sold as designer drug (Fonazepam). Will be detected as 7-aminoflunitrazepam metabolite on specific flunitrazepam testing.
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