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How Long Does Rohypnol (Roofies) Stay in Your System

What is Roypnol

Rohypnol is the brand name for flunitrazepam, which is an intermediate-acting drug of the benzodiazepine class used to treat acute insomnia. It is also routinely abused as a date rape drug.

Rohypnol Pictures

How long do roofies (ruffies) stay in your system

Flunitrazepam has an elimination half-life between 18-26 hours and is likely to be excreted from your system between 4 days 3 hours and 5 days 23 hours after you take it for the last time.

This timeframe is subject to variation depending on the several factors listed below:

  • Age
  • Body mass
  • Food and water intake levels
  • Kidney and liver conditions
  • Co-ingestion of other drugs

Rohypnol Drug Tests

Metabolites of Rohypnol can be identified in urine samples after 60 hours up to 28 days. Hair tests can show usage of flunitrazepam even after 90 days. Rohypnol usage can also be detected via saliva tests 12-24 hours after it was administered.

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