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Definition of Rohypnol

Medically reviewed by Min Clinic Staff | Updated: January 2026

Rohypnol: The trade name for flunitrazepam, which has been abused as a 'date rape' drug. Rohypnol produces sedative-hypnotic effects including muscle relaxation and amnesia. It can produce physical and psychological dependence and can be lethal when mixed with alcohol and/or other depressants.