§2.4.3 · Chemicals › Anxiolytics & Sedatives

Clonazolam

Also known as Clam · C-lam

Acute: High riskDependency: Extreme risk Test for fentanyl

Images

Quick reference

Routes

Oral

Form

Capsules

Duration

Onset

20 Minutes

Total duration

8 Hours

Experience

Primary effects

Delivers sedation and sleep.

Negatives / side effects

Reported to cause blackouts and addiction.

Aftereffects / comedown

Next day not particularly foggy.

Reference dosage

Reference ranges from third-party harm-reduction databases. Individual response varies enormously — start lower than you think.

Any route

threshold	50ug+
light	75ug+
common	200ug+
heavy	500ug+

Reagent testing

Recommended reagents

Mandelin Mecke

Expected reactions

Mandelin	Orange/yellow
Mecke	Yellow/orange

Adulterant detection: Very high potency designer benzodiazepine — active at microgram doses. Cannot distinguish from other benzodiazepines by colorimetric testing alone.

One of the most potent benzodiazepines known; extreme care required. Fentanyl strips essential for pressed pills.

Source

Reference fields and narrative for Clonazolam extracted from The Drug Users Bible by Dominic Milton Trott (MxZero Publishing, 2022).

drugusersbible.com

Harm reduction notice

This platform provides educational and harm-reduction information adapted from public reference material. It does not endorse, encourage, or facilitate drug use. It is not medical advice. If you or someone near you may be in a medical emergency, contact local emergency services immediately.