Complete dosage information for Clonazolam — threshold, light, common, strong, and heavy dose ranges across 1 route of administration.
Full Clonazolam profileImportant Safety Notice
Dosage information is for harm reduction purposes only. Individual sensitivity varies greatly. Always start with the lowest effective dose and work your way up slowly. Never eyeball doses — use a milligram scale.
Overdose - **Czech Republic:** Clonazolam is a Schedule I (List 4) substance. Used exclusively for limited research purposes or very limited therapeutic purposes. (§ 1, d), 2. of *Nařízení vlády č. 463/2013 Sb.*) - **Germany:** Clonazolam is controlled under the BTMG (Betäubungsmittelgesetz) in the Anlage II as of November 11, 2021. Production and import with the aim to place it on the market, administration to another person, possession and trading are illegal. - **Japan:** Clonazolam is controlled by the Pharmaceutical Affairs Law in Japan, making it illegal to possess or sell. - **Poland:** Clonazolam is a NPS class drug in Poland, making it illegal to possess or distribute. - **Russia:** Clonazolam is a Schedule III controlled substance since 2017. - **Sweden:** Clonazolam is classified as an addictive. Production, import, trading and possesion require a special permission. - **Switzerland:** Clonazolam is a controlled substance specifically named under Verzeichnis E. - **The Netherlands:** Clonazolam is a List 2 substance of the Opium Law, making it illegal. - **United Kingdom:** Clonazolam is a Class C drug in the UK as of 31st May 2017 and is illegal to possess, produce or supply. - **United States:** Clonazolam is a Schedule I controlled substance as of January 23, 2023. - Oregon:** Clonazolam is now classified as a Schedule I substance in the state of Oregon. - **Virginia:** Clonazolam is now classified as a Schedule I substance in the state of Virginia. - Responsible use - Volumetric liquid dosing - Research chemical - Depressant - Benzodiazepines - Alcohol - Clonazolam (Wikipedia) - Clonazolam (Isomer Design) - Clonazolam (DrugBank) ## Community-Sourced Overdose and Emergency Information ### Recognizing Clonazolam Overdose Community-reported signs of clonazolam overdose or dangerous intoxication include: - Complete unresponsiveness to stimulation - Extremely slow or labored breathing - Loss of gag reflex (aspiration risk) - Blue or gray discoloration of lips or extremities - Combined use with opioids or alcohol dramatically increases overdose risk ### Flumazenil Considerations **Flumazenil** is the specific benzodiazepine antagonist and can reverse clonazolam's effects in emergency settings. However, community members with medical knowledge note that flumazenil: - Can precipitate **seizures** in benzodiazepine-dependent individuals - Has a shorter duration of action than clonazolam, meaning re-sedation is possible - Is typically only administered in hospital settings under medical supervision - Should not be administered by laypersons ### The Hidden Overdose Risk Community members emphasize that clonazolam's overdose risk is often indirect rather than from the substance itself: - **Combined depressant overdose**: The most common life-threatening scenario involves clonazolam combined with opioids or alcohol - **Aspiration**: Loss of gag reflex combined with vomiting can cause aspiration pneumonia or death - **Behavioral overdose**: Actions taken during blackout (driving, taking other substances) can be directly fatal - **Withdrawal seizures**: After dependence, abrupt cessation can cause seizures that are themselves life-threatening ### Post-Overdose Considerations Anyone who has experienced a clonazolam-related medical emergency should: - Seek comprehensive medical evaluation - Be honest with medical providers about the substance used (clonazolam is not typically detected on standard benzodiazepine drug screens) - Consider this event a strong indicator that professional help is needed - Not resume use of clonazolam or other research chemical benzodiazepines
A common oral dose of Clonazolam is 200–400 µg.
The threshold dose for Clonazolam via oral is approximately 50 µg.
Clonazolam typically lasts 6–10 hours via oral.