Flunitrazepam Well-documented

Well-documented

Multiple authoritative sources agree on dosing and effects.

5 corroborating sources

1 ROA with full dose ladder

duration data present

27 combo interactions documented

toxicity data (PsychonautWiki, PubChem)

Aliases: R2, Roches, Roofies, Ruffies, Circles, rohypnol

Summary dose.wiki Erowid TripSit PsychonautWiki

Flunitrazepam (Rohypnol) is a benzodiazepine and central nervous system depressant. Like other benzodiazepines, it acts on the GABA-A receptor, enhancing the effects of the inhibitory neurotransmitter GABA by increasing GABA's affinity for the receptor; this opens the chloride channel and hyperpolarizes the cell membrane to prevent further excitation. It is extremely potent, approximately 10 times stronger than diazepam by weight, with pronounced hypnotic and amnesic properties, causing severe anterograde amnesia at therapeutic doses and sometimes producing delusions of sobriety despite severe impairment. It is notorious for its association with drug-facilitated sexual assault.

Dose Information dose.wiki

ROA	Light	Common	Strong	Heavy
Oral	0.2-1mg	1-2mg	2-4mg	4mg+

Light Common Strong Heavy

Sources

Oral

Dose ladder — dose.wiki

⚠ above ≈1–2 mg oral Profound sedation, anterograde amnesia

“Flunitrazepam is a powerful hypnotic; small dose increments can cause profound sedation and anterograde amnesia, especially above ~1-2 mg.” — dose.wiki

Benzo Equivalence Calculator

Convert from

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1.0 mg Flunitrazepam

— mg Diazepam

⚠ These are approximate equivalences for educational and cross-tapering reference. Individual response, tolerance, and half-life differences mean actual equivalence varies. Always consult a healthcare provider for tapering guidance.

Onset, Duration & After-effects dose.wiki TripSit PsychonautWiki

ROA	Onset	Comeup	Peak	Offset	After Effects	Total
Oral	15-30 min	30-60 min	2-4 hrs	6-12 hrs	24 hrs	4-17.5 hrs

Effect Profile

12 reports

Scores (0–10) curated from multiple sources:

Effect keyword matching from PsychonautWiki catalog
Weighted by importance: core (×3), major (×2), minor (×1)

Full methodology

Benzodiazepine 7.1

Strong+ 7/10

Strong anxiolysis and euphoria with strong cognitive impairment, mild sedation

Anxiolysis ×3

anxiety suppression anxiolytic muscle relaxation muscle relaxant

Sedation / Relaxation ×2

sedation muscle relaxation

⚠ Motor / Cognitive Impairment ×1

motor control loss amnesia memory suppression delusions of sobriety double vision

Euphoria / Mood Lift ×1

cognitive euphoria physical euphoria disinhibition

Based on reports from:

Erowid Experience Reports

Tolerance

Build-up develops over 1–4 weeks of daily use; hypnotic tolerance faster than anxiolytic tolerance

Reset Falls after you stop, at a rate that varies from person to person. If you've been using regularly, cut down gradually with medical help rather than stopping suddenly.

No tolerance chart. Our decay curves for these drugs were estimates, and a curve can make tolerance look longer-lasting than it is, which is the dangerous direction.

How fast tolerance to these drugs fades after a break has not been measured well enough to draw, so don't count on a dose you used to take still being safe: after time off, start with a much smaller amount and don't use alone. Mixing sedatives with each other, with alcohol or with opioids sharply raises the risk of a fatal overdose. If you've been using regularly, don't stop suddenly: withdrawal from benzodiazepines, alcohol or GHB/GBL can cause seizures or delirium, so get medical help to cut down gradually.

Sources: FRANK: benzodiazepines · Alcohol and Drug Foundation: GHB · FDA 2020: benzodiazepine boxed warning · FDA 2019: gabapentinoids and breathing · NHS: alcohol use disorder

Cross-Tolerances

Other benzodiazepines

Barbiturates

Z-drugs (zolpidem/zopiclone)

Effects Erowid

Aggregated from 12 single-substance Erowid experience reports; 2 Erowid reports where another drug was taken too are left out

Each bar shows the share of analyzed reports whose text mentions that effect — a mention is not always a first-hand experience (fear of an effect or something witnessed can count). Mentions saying the effect did not happen are left out; that check reads keywords, so it can miss some. The shaded band on a bar, and the small range after its number, is the 95% interval: where the share could plausibly be with other reports of the same kind. Fewer reports, wider band. Tap or hover any number for details. The second value is the Bluelight extractor's per-effect confidence; a dash means the row is Erowid-derived, which has no confidence measurement.

Too few reports for bars: these effects come from 12 single-substance Erowid reports, and a bar is drawn only from 20 reports or more. With fewer, a percentage cannot tell a common effect from a rare one. Counts are shown instead. Why 20?

Positive Effects 3

5 of 12 –

4 of 12 –

Adverse Effects 1

4 of 12 –

Combinations TripSit

Cross-Check Flunitrazepam with another substance

Community Trip Reports

Anecdotal first-person accounts from Reddit, Erowid, Bluelight, and Dose.wiki. Click a source to expand. Reports are harm-reduction context, not medical guidance. Tags summarise each author's own verdict — how reports are classified.

Erowid 8 reports 1 positive 3 neutral 4 cautionary visit

My Life with Rohypnol cautionary exp #2463

Rohypnol, 'roofies', rophynol (flunitrazepam) I have ingested Rohypnol primarily by swallowing and snorting. The pill itself is sweet and can be chewed. Snorting produces no pain whatoever, resulting in a quicker and more potent 'high'.

My Mind Is Blank neutral exp #15923

The first time I took Flunitrazepam was funny. They were brought by a friend who came and picked me up at school. We left to a rather smallish town afterwards and I took a pill. Never in my life I felt really sleepy, I could sleep anywhere! So it was in the laps of my friend at a bar. I woke up and was semi-conscious.

The King of Benzos neutral exp #96313

I like to do benzos occasionally and just happen to come by some flunitrazepam by chance. Roofies are hard to find where I live so I jumped at the opportunity and bought a blister pack of 10. I didnt have work for the next two days so I decided to take some later that night.

Began Using as a Substitute for Heroin cautionary exp #81639

I would like to talk and share my experience of using sleeping pills to get high. Vulbegal and Hipnosedon are very strong pharmaceutical drugs used to cure anxiety, insomnia and people with psycological problems. Also used as a substitute of heroin.

Just Another Benzo neutral exp #14963

My experiences with the benzo-family so far had covered diazepam and alprazolam while I prefer the latter as it doesn't last as long and I somehow like the effects more, even though they're pretty equal.

Blue Ink positive exp #20911

I was upstairs alone in my dope lair experimenting. I had some Rohypnols which I had heard a great deal about ('the date rape drug') and decided I would try one for myself. For some reason I chewed it instead of simply swallowing it.

Goofy Roofie cautionary exp #24020

Goofy roofie DOSAGE Rohypnol is prescribed as a sleeping aid, and it does work wonders in that respect. If you take one and want to sleep, you'll be sleeping like a rock within an hour (the drug kicks in in about 20min).

The Dark Side Of Rohypnol cautionary exp #28346

I would like to tell you about my addiction to roofies and alcohol. I am a male in my early twenties living in Sweden. I have been drinking alcohol heavily since I was thirteen, only recently I have stopped drinking much, but I still binge sometimes.

Bluelight 1 thread 1 neutral visit

Flunitrazepam 2 Mg First Time What The Devil Needs For Go To Sleep neutral

Ok, first, im a simple south america student with a long experience with differents drugs but i have very poor english skills, i going to write this experience the most coherent as I can, so sorry for any errors in the followed text.

Flunitrazepam's nerd page Pharmacology, chemical data, effect profiles, and more

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Helpful Links

💊 Pill Identifier 📘 Experience Reports 📖 dose.wiki 📖 TripSit 📖 PsychonautWiki

Import into PsychonautWiki Journal

The PsychonautWiki Journal app includes Flunitrazepam, but its built-in data can be thinner than ours. Importing this file adds a separate "Flunitrazepam (Substance Search)" custom substance with our dose ranges and durations, so you can log against whichever you prefer. It leaves tolerance out on purpose, for the reason given under Tolerance above.

⬇ Download import file Import this file as custom substances and you get "Flunitrazepam (Substance Search)" with every route's full dose ladder and timeline, no typing. Works on iOS and Android (v15+); the format is confirmed by the app's developer.

Ranges are harm-reduction guidance, not a prescription.

Report an issue or suggest an edit

Spotted incorrect or dangerous information, have a correction, a new study, or a useful addition for Flunitrazepam? Let us know. Reports are reviewed by moderators — this is not posted publicly.

Flunitrazepam Well-documented Well-documented Multiple authoritative sources agree on dosing and effects. 5 corroborating sources 1 ROA with full dose ladder duration data present 27 combo interactions documented toxicity data (PsychonautWiki, PubChem)