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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.
Desmethyldiazepam has a half-life of 36–200 hours, and flurazepam, with the main active metabolite of desalkylflurazepam, with a half-life of 40–250 hours. These long-acting metabolites are partial agonists. [6] [145] Short-acting compounds have a median half-life of 1–12 hours.
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 ...
Formula: C 16 H 15 Cl N 2: Molar mass: 270. ... Medazepam is a long-acting benzodiazepine drug. The half-life of medazepam is 36–200 hours. ... Benzodiazepines may ...
Oxazepam is an intermediate-acting benzodiazepine of the 3-hydroxy family; it acts on benzodiazepine receptors, resulting in increased effect of GABA to the GABA A receptor which results in inhibitory effects on the central nervous system. [26] [27] The half-life of oxazepam is between 6 and 9 hours.
The elimination half life of estazolam is an average of 19 hours, with a range of 8–31 hours. [ 20 ] [ 21 ] The major metabolite of estazolam is 4-hydroxyestazolam. [ 22 ] Other identified metabolites include 1-oxo-estazolam, 4'-hydroxy-estazolam, and benzophenone .
It has a mean elimination half life of about 3.4 hours. [4] [2] [3] Etizolam possesses potent hypnotic properties, [23] and is comparable with other short-acting benzodiazepines. [4] Etizolam acts as a positive allosteric modulator of the GABA A receptor by agonizing the receptor's benzodiazepine site. [24]
It is among the most rapidly absorbed and quickest acting oral benzodiazepines, and hypnotic effects are typically felt within 15–30 minutes after oral ingestion. The blood level decline of the parent drug was biphasic with the short half-life ranging from 0.5–0.7 hours and the terminal half-life from 8 to 26.5 hours (mean 17.25 hours).