Rohypnol dependence


Rohypnol dependency

Rohypnol is the trade name for flunitrazepam, a drug that acts as a sedative, muscle relaxant, hypnotic, and antidepressant. It is part of a group of psychoactive club drugs namely GHB, Ketamine and Rohypnol that are abused by teens and young adults at bars, nightclubs, concerts, and parties.

Rohypnol is a tranquilizer about ten times more potent than Valium. It is known as a date rape drug. The drug has been used in connection with rape and robbery to incapacitate the victim and prevent him or her from recalling the crime.

Image: Jermund9 / CC BY-SA (

How Is Rohypnol Used?

Rohypnol can be taken as a pill. Users crush the pills and snort the powder, sprinkle it on marijuana and smoke it, dissolve it in a drink or inject it. Rohypnol tablets are white and are single or cross scored on the one side with ”Roche” and ”1” or ”2” encircled on the other side.

What are the effects of Rohypnol use?

The effects of Rohypnol use may be felt within 15 to 20 minutes of administration. The drug user will appear wobbly and delirious. The brain will start thinking of the most bizarre things to do and say. Rohypnol is the easiest drug to spot as the users speech will be repetitive and audibly slurred and behaviour will be irritatingly abnormal and stupid.

Effects may last for over 12 hours. A person can be so incapacitated that they collapse. They lie on the floor, eyes open, able to observe events but completely unable to move. Afterwards, memory is impaired and they cannot recall any of what happened.

Symptoms associated with use of Rohypnol include drowsiness, lowered blood pressure, muscle relaxation, headache, visual disturbances, dizziness, slurred speech, poor reaction time, confusion, memory impairment, upset stomach, retention of urine, tremors, and nightmares.

Overdose of Rohypnol produces sedation, impaired speech and balance, respiratory depression, and potentially coma or death.

Withdrawal symptoms:
Rohypnol is both physically and psychologically dependent. Intense withdrawal symptoms such as seizures, convulsions, epileptic fits and substance reduced psychosis can result when an addict’s body is denied the drug. This can or will happen unexpectedly and result in a stroke, heart attack or death; if medical assistance is not received in time.

Drug detection times

Please use these figures as a guide only:

Alcohol: 3-5 days in urine, 10-12 hours in blood
Amphetamines: 1-3 days in urine and around 12 hours in blood
Barbiturates: 2-4 days in urine and 1-2 days in blood
Benzodiazepines: 3-6 weeks in urine and 2-3 days in blood
Cannabis: 7-30 days in urine and up to 2 weeks in blood
Cocaine: 3-4 days in urine and 1-2 days in blood
Codeine: 1 day in urine and up to 12 hours in blood
Heroin: 3-4 days in urine and up to 12 hours in blood
LSD: 1-3 days in urine and up to 2-3 hours in blood
MDMA (ecstasy): 3-4 days in urine and 1-2 days in blood
Methamphetamine (crystal meth): 3-6 days in urine and 24 – 72 hours in blood
Methadone: 3-4 days in urine and 24-36 hours in blood
Morphine: 2-3 days in urine and 6-8 hours in blood

Self help

How to avoid being a victim of the ‘’date rape pill’’

  • Do not accept open drinks at parties, particularly from strangers.
  • If you are drinking from a bottle, open it yourself.
  • If you ask someone to watch your drink, make sure it is someone you trust.
  • Be especially careful of mixed drinks, because they do not come in sealed containers.

Call for help

If you suspect you ingested a spiked drink call

1. Cell phone emergency – 112

2. Ambulance response – 10177


If you have been a victim of a date rape, you can get help by chatting to an online facilitator on our LIVE CHAT. You may remain anonymous. It s a text-based chat.




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