That is the name for Rohypnol, which is in the government fact sheet that I linked to. However, for some reason that page comes up as unavailable right now. But I had no trouble saving it at archive.org so apparently it is available after all. It is saved at https://web.archive.org/web/20141219013933/http://womenshealth.gov/publications/our-publications/fact-sheet/date-rape-drugs.html?from=AtoZ
Here is the description that the government gives for Rohypnol (notice that the effects can last for several hours. Not 2 days. From what I’ve read if a person was out for 2 days it’s probably a severe overdose - in which case the gal is lucky to even be alive. And if she was passed out for 2 days and nobody in her life noticed and she didn’t go to the doctor immediately afterwards to find out what had just happened, then somebody is crazy. Anyway, here’s what the government publication says:
Rohypnol
The effects of Rohypnol can be felt within 30 minutes of being drugged and can last for several hours. If you are drugged, you might look and act like someone who is drunk. You might have trouble standing. Your speech might be slurred. Or you might pass out. Rohypnol can cause these problems:
Muscle relaxation or loss of muscle control
Difficulty with motor movements
Drunk feeling
Problems talking
Nausea
Can’t remember what happened while drugged
Loss of consciousness (black out)
Confusion
Problems seeing
Dizziness
Sleepiness
Lower blood pressure
Stomach problems
Death
A benzodiazepine that is ± 10-fold more potent than Valium Route of administration Oral, pulverised/snorted
Effects Slurred speech, impaired judgement, difficulty walking, sedation, blackouts of up to 24 hours, amnesia, respiratory distress; may have paradoxic effects and trigger aggression. Overdose or death can occur if mixed with other drugs or alcohol.
It is popularly known as the ‘date-rape’ drug.
In Texas, to be under the Influence of Rohypnol is ‘To Get Roached’.
http://medical-dictionary.thefreedictionary.com/flunitrazepam