In Japan, flunitrazepam is marketed by Japanese pharmaceutical company Chugai under the trade name Rohypnol and is indicated for the treatment of insomnia as well as used for preanesthetic medication. Being roofied means having your drink spiked with Rohypnol. Being roofied can cause alarming symptoms such as impaired speech and mobility, followed by memory loss. Know the signs to ensure your safety. Rohypnol is a brand name for Flunitrazepam, a powerful sedative in the benzodiazepine class of drugs. Rohypnol has never been approved for use in the United States. However, it is legally prescribed for medical use in more than 50 foreign countries for the treatment of insomnia and as a pre-anesthetic. Discover what Rohypnol is, its medical uses, symptoms, side effects, potential for abuse, associated risks and safety measures. Rohypnol (Flunitrazepam) is a benzodiazepine with properties similar to diazepam (Valium). Like all benzodiazepines, Rohypnol is a central nervous system (CNS) depressant and produces sedative effects by inhibiting the gamma-aminobutyric acid (GABA) neurotransmitter in the brain. Rohypnol® is a trade name for flunitrazepam, a central nervous system (CNS) depressant that belongs to a class of drugs known as benzodiazepines. Flunitrazepam is also marketed as generic preparations and other trade name products outside of the United States. Rohypnol is an intermediate-acting benzodiazepine with general properties similar to those of Valium (diazepam). It is used in the short-term treatment of insomnia, as a pre-medication in surgical procedures and for inducing anesthesia. Rohypnol is a central nervous system depressant that impairs mental functioning and can cause amnesia, confusion and impaired judgment. It has been used as a date rape drug and is frequently used with other substances such as alcohol, cocaine and heroin. Rohypnol (roe-HIP-nol) is sold in some countries as a sleeping pill, but is illegal in the United States. Because it can cause extreme drowsiness (or blackouts ), it is often used in date rapes. Like other benzodiazepines, Rohypnol® produces sedative-hypnotic, anti-anxiety, and muscle relaxant effects. This drug has never been approved for medical use in the United States by the Food and Drug Administration. Outside the United States, Rohypnol® is commonly prescribed to treat insomnia.