How long does Rohypnol stay in your system?

Have the hospital take your urine sample to test for potential date rape drugs. Rohypnol can immediately leave your systems. The drug will stay in your body for several hours and is detectable in the urine for about 72 hours after ingestion. Try not to urinate before making your way to the hospital. read more

Ask the hospital to take a urine (pee) sample that can be used to test for date rape drugs. The drugs leave your system quickly. Rohypnol stays in the body for several hours, and can be detected in the urine up to 72 hours after taking it. GHB leaves the body in 12 hours. Don't urinate before going to the hospital. read more

A urine test could potentially detect rohypnol for up to sixty hours after it was ingested. But it is hard to detect because concentrations may be quite low. Dr. Fowler responded: Urine test. read more

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