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The tables below contain a sample list of benzodiazepines and benzodiazepine analogs that are commonly prescribed, with their basic pharmacological characteristics, such as half-life and equivalent doses to other benzodiazepines, also listed, along with their trade names and primary uses.
The distribution half-life of diazepam is two to 13 minutes. [19] Diazepam is highly lipid-soluble and is widely distributed throughout the body after administration. It easily crosses both the blood–brain barrier and the placenta, and is excreted into breast milk. After absorption, diazepam is redistributed into muscle and adipose tissue.
A benzodiazepine can be placed into one of three groups by its elimination half-life, or time it takes for the body to eliminate half of the dose. [189] Some benzodiazepines have long-acting active metabolites, such as diazepam and chlordiazepoxide, which are metabolised into desmethyldiazepam. Desmethyldiazepam has a half-life of 36–200 ...
Absorption half-life 1 h, elimination half-life 12 h. Biological half-life (elimination half-life, pharmacological half-life) is the time taken for concentration of a biological substance (such as a medication) to decrease from its maximum concentration (C max) to half of C max in the blood plasma.
An equianalgesic chart can be a useful tool, but the user must take care to correct for all relevant variables such as route of administration, cross tolerance, half-life and the bioavailability of a drug. [5] For example, the narcotic levorphanol is 4–8 times stronger than morphine, but also has a much longer half-life. Simply switching the ...
Chlordiazepoxide, 5 mg capsules, are sometimes used as an alternative to diazepam for benzodiazepine withdrawal. Like diazepam, it has a long elimination half-life and long-acting active metabolites. [25] [69] Management of benzodiazepine dependence involves considering the person's age, comorbidity and the pharmacological pathways of ...
Flurazepam is a "classical" benzodiazepine; some other classical benzodiazepines include diazepam, clonazepam, oxazepam, lorazepam, nitrazepam, bromazepam, and clorazepate. [16] Flurazepam generates an active metabolite, N-desalkylflurazepam, with a very long elimination half-life. [3]
diazepam: Valium 15 November 1963 [55] divalproex sodium: Depakote 10 March 1983 [56] eslicarbazepine: Aptiom 11 August 2013 [57] [58] ethosuximide: Zarontin 2 November 1960 [59] 1955 [46] 1962 [51] ethotoin: Peganone 22 April 1957 [60] everolimus: Afinitor/Votubia 30 January 2009 [61] felbamate: Felbatol