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Temazepam, sold under the brand name Restoril among others, is a medication of the benzodiazepine class which is generally used to treat severe or debilitating insomnia. [8] It is taken by mouth. [8] Temazepam is rapidly absorbed, and significant hypnotic and anxiolytic effects begin in less than 30 minutes and can last for up to eight hours.
Finally, note that the benzodiazepine core is a privileged scaffold, which has been used to derive drugs with diverse activity that is not limited to the GABA A modulatory action of the classical benzodiazepines, [60] such as devazepide and tifluadom, however these have not been included in the list below. 2,3-benzodiazepines such as tofisopam ...
Onset of action is the duration of time it takes for a drug's effects to come to prominence upon administration. With oral administration , it typically ranges anywhere from 20 minutes to over an hour, depending on the drug in question.
Overall, anecdotal evidence suggests that temazepam may be the most psychologically habit-forming (addictive) benzodiazepine. Non-medical temazepam use reached epidemic proportions in some parts of the world, in particular, in Europe and Australia, and is a major addictive substance in many Southeast Asian countries.
The onset of action is one to five minutes for IV administration and 15–30 minutes for IM administration. The duration of diazepam's peak pharmacological effects is 15 minutes to one hour for both routes of administration. [67] The half-life of diazepam, in general, is 30–56 hours. [1]
However, due to its slow rate of absorption and its slow onset of action, [30] oxazepam has a relatively low potential for abuse compared to some other benzodiazepines, such as temazepam, flunitrazepam, or triazolam. This is similar to the varied potential for abuse between different drugs of the barbiturate class. [41]
Class-action lawsuit [ edit ] Benzodiazepines spurred the largest-ever class-action lawsuit against drug manufacturers in the United Kingdom, in the 1980s and early 1990s, involving 14,000 patients and 1,800 law firms that alleged the manufacturers knew of the potential for dependence but intentionally withheld this information from doctors.
Flurazepam is a long-acting benzodiazepine and is sometimes used in patients who have difficulty in maintaining sleep, though benzodiazepines with intermediate half-lives such as loprazolam, lormetazepam, and temazepam are also indicated for patients with difficulty maintaining sleep.