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Depressant

Pyrazolam

Also called Pirazolam

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Common dose · Oral0.75–2 mg PW
Onset10–15 minutes PW
Total5–8 hours PW

Dosage

When sources disagree, both rows are shown as published. Nothing is averaged or merged.

Oral

SourceThresholdLightCommonStrongHeavy
PsychonautWiki0.5 mg PW0.5–0.75 mg PW0.75–2 mg PW2–3.5 mg PW3 mg+ PW
TripSit–1–2 mg TS2–3 mg TS3–4 mg TS–

TripSit dose text

TripSit's factsheet also states its doses as text.

Oral Light: 1-2mg Common: 2-3mg Strong: 3-4mg's. TS

What dose are you on? (self-reported, unverified)
Read this first. These numbers come from anonymous visitors typing in a box. Nobody checks them. People misjudge, mistype, troll, or take untested products of unknown strength. They are not a dose guide and never override the sourced table above. They exist only so the sourced ranges can be compared with what people say they take. If you are deciding what to take, use the sourced table, start low, and read the risks section.
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Duration

Route · sourceOnsetCome-upPeakOffsetTotalAfter-effects
Oral · PsychonautWiki10–15 minutes PW–––5–8 hours PW–

TripSit factsheet

Onset
Insufflated: 5 minutes · Oral: 10-15 minutes TS
Duration
Insufflated: 3-5 hours · Oral: 5-8 hours TS
Aftereffects
1-12 hours TS

Mixing

For best safety practice, don't mix this drug with other depressants.

Why: respiratory depression. PsychonautWiki says:

Quotes from PsychonautWiki, CC BY-SA 4.0.

Acute combinations: what happens when these are taken close together. Entries backed by a medical journal or agency are listed first.

Backed by medical journals

Awaiting sourcePeer-reviewed reports on acute combinations, from PubMed and the journals the harm reduction sites cite.

Other documented combinations

  • Depressants (1,4-Butanediol, 2-methyl-2-butanol, alcohol, barbiturates, GHB/GBL, methaqualone, opioids) - This combination can result in dangerous or even fatal levels of respiratory depression. These substances potentiate the muscle relaxation, sedation and amnesia caused by one another and can lead to unexpected loss of consciousness at high doses. There is also an increased risk of vomiting during unconsciousness and death from the resulting suffocation. If this occurs, users should attempt to fall asleep in the recovery position or have a friend move them into it. PW⚠ PsychonautWiki lists this combination without a danger rating.
  • Dissociatives - This combination can result in an increased risk of vomiting during unconsciousness and death from the resulting suffocation. If this occurs, users should attempt to fall asleep in the recovery position or have a friend move them into it. PW⚠ PsychonautWiki lists this combination without a danger rating.
  • Stimulants - It is dangerous to combine benzodiazepines with stimulants due to the risk of excessive intoxication. Stimulants decrease the sedative effect of benzodiazepines, which is the main factor most people consider when determining their level of intoxication. Once the stimulant wears off, the effects of benzodiazepines will be significantly increased, leading to intensified disinhibition as well as other effects. If combined, one should strictly limit themselves to only dosing a certain amount of benzodiazepines per hour. This combination can also potentially result in severe dehydration if hydration is not monitored. PW⚠ PsychonautWiki lists this combination without a danger rating.

TripSit combination chart

TripSit rates each pairing. Only pairings with a number carry a citation from TripSit. See the whole chart; TripSit's own notes are on combo.tripsit.me.

Dangerous

Unsafe

Low Risk & Decrease

Risks and toxicity

Pyrazolam likely has a low toxicity relative to dose. However, it is potentially lethal when mixed with depressants like alcohol or opioids.[7] PW

It is strongly recommended that one use harm reduction practices when using this substance. PW

Tolerance and addiction potential

Pyrazolam is extremely physically and psychologically addictive. PW

Tolerance will develop to the sedative-hypnotic effects within a couple of days of continuous use. After cessation, the tolerance returns to baseline in 7 - 14 days. However, in certain cases this may take significantly longer in a manner which is proportional to the duration and intensity of one's long-term usage. PW

Withdrawal symptoms or rebound symptoms may occur after ceasing usage abruptly following a few weeks or longer of steady dosing, and may necessitate a gradual dose reduction. For more information on tapering from benzodiazepines in a controlled manner, please see this guide. PW

Benzodiazepine discontinuation is notoriously difficult; it is potentially life-threatening for individuals using regularly to discontinue use without tapering their dose over a period of weeks. There is an increased risk of hypertension, seizures, and death. Drugs which lower the seizure threshold such as tramadol should be avoided during withdrawal.[8] PW

Pyrazolam presents cross-tolerance with all benzodiazepines, meaning that after its consumption all benzodiazepines will have a reduced effect. PW

Overdose

Benzodiazepine overdose may occur when a benzodiazepine is taken in extremely heavy quantities or concurrently with other depressants. This is particularly dangerous with other GABAergic depressants such as barbiturates and alcohol since they work in a similar fashion, but bind to distinct allosteric sites on the GABAA receptor, thus their effects potentiate one another. Benzodiazepines increase the frequency in which the chlorine ion pore opens on the GABAA receptor while barbiturates increase the duration in which they are open, meaning when both are consumed, the ion pore will open more frequently and stay open longer. Benzodiazepine overdose is a medical emergency that may lead to a coma, permanent brain injury or death if not treated promptly and properly.[9] PW

Symptoms of a benzodiazepine overdose may include severe thought deceleration, slurred speech, confusion, delusions, respiratory depression, coma or death. Benzodiazepine overdoses may be treated effectively in a hospital environment, with generally favorable outcomes. Benzodiazepine overdoses are sometimes treated with flumazenil, a GABAA antagonist, however care is primarily supportive in nature.[10] PW

Dangerous interactions

Although many drugs are safe on their own, they can become dangerous and even life-threatening when combined with other substances. The list below contains some common potentially dangerous combinations, but may not include all of them. Certain combinations may be safe in low doses of each but still increase the potential risk of death. Independent research should always be done to ensure that a combination of two or more substances is safe before consumption. PW

Testing

Awaiting sourceReagent reactions and test kit guidance from a harm reduction testing service.

Effects

AnxiolyticSedativeMuscle RelaxantAmnesiaDystaxia TS

Overview

Pyrazolam is a novel depressant substance of the benzodiazepine class. PW

RC benzodiazepine discovered by Hoffman-LaRoche in the 1970s. Came to the RC market in the early 2010s. At lower doses it is mainly an anxiolytic compound, yet at higher doses can be quite sedating, hypnotic, amnesic, and can cause loss of inhibitions. Structurally similar to Alprazolam, Bromazepam, and Triazolam. Is 12x as potent as Diazepam. TS

Pyrazolam (SH-I-04) is a benzodiazepine derivative originally developed by a team led by Leo Sternbach at Hoffman-La Roche in the 1970s. It has since been "rediscovered" and sold as a designer drug since 2012.[1–5] WP

Pyrazolam has structural similarities to alprazolam and bromazolam. Unlike other benzodiazepines, pyrazolam does not appear to undergo metabolism, instead being excreted unchanged in the urine.[3][6] WP

History

Awaiting sourceHistory and culture from Wikipedia or PsychonautWiki, with their citations.

Pharmacology

Awaiting sourcePharmacology from Wikipedia and the journal papers it cites.

Chemistry

Formula
C16H12BrN5 PC
CAS number
39243-02-2 PC
Molar mass (g/mol)
354.20 PC
IUPAC name (computed by PubChem)
8-bromo-1-methyl-6-pyridin-2-yl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine PC
SMILES
CC1=NN=C2N1C3=C(C=C(C=C3)Br)C(=NC2)C4=CC=CC=N4 PC
InChIKey
BGRWSFIQQPVEML-UHFFFAOYSA-N PC
PubChem CID
12562545

User reports

Erowid erowid.org

Listings

Erowid Experience Vault listing

Link as published on TripSit's factsheet.

Top stories
Awaiting sourceShort summaries of the most-read reports, each linked, saying only what the report says.

Bluelight bluelight.org

Listings
Awaiting sourceTrip report threads and this substance's discussion forum.
Top stories
Awaiting sourceShort summaries of the most-read reports, each linked, saying only what the report says.

Reddit reddit.com

Listings
Awaiting sourceTrip report posts and the relevant subreddits.
Top stories
Awaiting sourceShort summaries of the most-read reports, each linked, saying only what the report says.

Pop culture

No references added yet.

Add a reference

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References

  1. Journal / agency Clayton T, Poe MM, Rallapalli S, Biawat P, Savić MM, Rowlett JK, Gallos G, Emala CW, Kaczorowski CC, Stafford DC, Arnold LA, Cook JM. A Review of the Updated Pharmacophore for the Alpha 5 GABA(A) Benzodiazepine Receptor Model. International Journal of Medicinal Chemistry. 2015. doi:10.1155/2015/430248 · PMID 26682068 · PMC4657098
  2. Other Preparation of triazolo benzodiazepines and novel compounds
  3. Journal / agency Moosmann B, Hutter M, Huppertz LM, Ferlaino S, Redlingshöfer L, Auwärter V. Characterization of the designer benzodiazepine pyrazolam and its detectability in human serum and urine. Forensic Toxicology. July 2013. doi:10.1007/s11419-013-0187-4
  4. Journal / agency Moosmann B, King LA, Auwärter V. Designer benzodiazepines: A new challenge. World Psychiatry. June 2015. doi:10.1002/wps.20236 · PMID 26043347 · PMC4471986
  5. Journal / agency Høiseth G, Tuv SS, Karinen R. Blood concentrations of new designer benzodiazepines in forensic cases. Forensic Science International. November 2016. doi:10.1016/j.forsciint.2016.09.006 · PMID 27685473
  6. Journal / agency Hester JB, Rudzik AD, Kamdar BV. 6-phenyl-4H-s-triazolo[4,3-a][1,4]benzodiazepines which have central nervous system depressant activity. Journal of Medicinal Chemistry. November 1971. doi:10.1021/jm00293a015 · PMID 5165540
  7. Journal / agency Mandrioli, R., Mercolini, L., Raggi, M. A. Benzodiazepine metabolism: an analytical perspective. Current Drug Metabolism. October 2008. doi:10.2174/138920008786049258
  8. Journal / agency Lann, M. A., Molina, D. K. A fatal case of benzodiazepine withdrawal. The American Journal of Forensic Medicine and Pathology. June 2009. doi:10.1097/PAF.0b013e3181875aa0
  9. Journal / agency Twyman, R. E., Rogers, C. J., Macdonald, R. L. Differential regulation of gamma-aminobutyric acid receptor channels by diazepam and phenobarbital. Annals of Neurology. March 1989. doi:10.1002/ana.410250302
  10. Journal / agency Hoffman, E. J., Warren, E. W. Flumazenil: a benzodiazepine antagonist. Clinical Pharmacy. September 1993
  11. Other Branch, L. S. Consolidated federal laws of Canada, Controlled Drugs and Substances Act. 2022
  12. Other Anlage NpSG
  13. Other Verordnung zur Änderung der Anlage des Neue-psychoaktive-Stoffe-Gesetzes und von Anlagen des Betäubungsmittelgesetzes
  14. Other § 4 NpSG
  15. Other Постановление Правительства РФ от 12.07.2017 N 827 “О внесении изменений в некоторые акты Правительства Российской Федерации в связи с совершенствованием контроля за оборотом наркотических средств и психотропных веществ” - КонсультантПлюс
  16. Other Regeringskansliets rättsdatabaser
  17. Other Verordnung des EDI über die Verzeichnisse der Betäubungsmittel, psychotropen Stoffe, Vorläuferstoffe und Hilfschemikalien
  18. Other https://resmigazete.gov.tr/eskiler/2017/01/20170112-8.pdf
  19. Other The Misuse of Drugs Act 1971 (Amendment) Order 2017
  20. Other The Misuse of Drugs Act 1971 (Amendment) Order 2017
  21. Other Controlled Substances List. February 22, 2024

Text and values on this page are quoted from PsychonautWiki (CC BY-SA 4.0), Wikipedia (CC BY-SA 4.0), TripSit factsheets, PubChem (public domain). Each value links to the exact revision it came from.