II. Indication

III. Class

  1. Long acting Benzodiazepine

IV. Pharmacokinetics

  1. Peak plasma concentration: 1-3 hours after oral dose
  2. Half Life: 14 hours

V. Dosing

  1. Dose: 20 to 40 mg PO tid to qid or 80 mg PO qhs
  2. Maximum Daily Dose: 160 mg

VI. Equivalent Dosing (for Benzodiazepine Withdrawal)

  1. Valium = Halazepam Dose x0.25
  2. Phenobarbital = Halazepam Dose x0.75

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