Benzodiazepine Equivalency Table 

Updated: May 15, 2014
  • Author: Abimbola Farinde, PharmD, PhD; more...
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Benzodiazepine Equivalency

Table 1. Benzodiazepine Equivalency [1, 2, 3, 4] (Open Table in a new window)

  Approximately Equivalent Oral Doses, mg Time to Peak Level, hours Half-life, hours
Alprazolam (Xanax) 0.5 1-2 12
Bromazepam (Lexotan) 3 1-4 20
Chlordiazepoxide (Librium) 25 1-4 100
Clonazepam (Klonopin) 0.25 1-4 34
Clorazepate (Tranxene) 10 0.5-2 100
Diazepam (Valium) 5 1-2 100
Flurazepam (Dalmane) 15 0.5-1 100
Lorazepam (Ativan) 1 1-4 15
Nitrazepam (Mogadon) 2.5 0.5-2 30
Oxazepam (Serax) 15 1-4 8
Quazepam (Doral) 10 1.5 25-41
Temazepam (Restoril) 10 2-3 11
Triazolam (Halcion) 0.25 1-2 2