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Halazepam

A less common prescription benzodiazepine and derivative of Nordazepam. Also known as Paxipam, it is no longer prescribed in the USA. Sedating, hypnotic and anxiolytic. High doses may induce amnesia and lowered inhibitions.

Halazepam molecular structure
Halazepam molecular structure diagram from the DrugsPRO substance library.

Also known as: Paxipam, Alapryl, Pacinone, SCH-12041

Classification

  • Chemical: Benzodiazepine
  • Psychoactive: Depressant
  • Tag: Habit-Forming

Effects

  • Anxiolytic
  • Sedative
  • Muscle Relaxation
  • Dystaxia
  • Hypnotic
  • Sedation
  • Amnesia
  • Anxiety Suppression
  • Drowsiness
  • Memory Impairment
  • Cognitive And Psychomotor Impairment
  • Language Impairment
  • Disinhibition
  • Dulled Perception

Routes of Administration

Oral

Dosage

  • Common: 20-40 mg
  • Light: 10-20 mg
  • Strong: 40-80 mg
  • Heavy: 3 600 mg (not recommended; markedly increases risk of oversedation, amnesia, and respiratory depression when combined with other depressants)
  • Threshold: 5 mg (approximate; based on equivalence to ~2.5 mg diazepam)

Duration

  • Onset: 0.5-2 h
  • Peak: 1-4 h
  • Offset: 6-12 h
  • After Effects: 24-72 h
  • Total Duration: 6-12 h

Harm Reduction

Check interactions before mixing substances, pay attention to dose spacing and hydration, and treat all dosage guidance as approximate rather than guaranteed safe.

Sources

Substance data is aggregated from the following public harm-reduction and reference sources.

Links

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Halazepam - DrugsPRO madde rehberi

Halazepam: A less common prescription benzodiazepine and derivative of Nordazepam. Also known as Paxipam, it is no longer prescribed in the USA. Sedating, hypnotic and anxiolytic. High doses may induce amnesia and lowered inhibitions.

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