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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.
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.
Protracted symptoms continue to fade over a period of many months or several years. There is no known cure for protracted benzodiazepine withdrawal syndrome except time, [ 20 ] however, the medication flumazenil was found to be more effective than placebo in reducing feelings of hostility and aggression in patients who had been free of ...
If used in pregnancy, those benzodiazepines with a better and longer safety record, such as diazepam or chlordiazepoxide, are recommended over potentially more harmful benzodiazepines, such as temazepam [94] or triazolam. Using the lowest effective dose for the shortest period of time minimizes the risks to the unborn child. [95]
The mental health and physical health symptoms induced by long-term benzodiazepine use gradually improved significantly over a period of a year following completion of a slow withdrawal. Three of the 50 patients had wrongly been given a preliminary diagnosis of multiple sclerosis when the symptoms were actually due to chronic benzodiazepine use.
Flutemazepam was initially first synthesized in 1965, [1] but was not further described until a team at Stabilimenti Chimici Farmaceutici Riuniti SpA in the mid-1970s. [2] [3] It is a short-acting (9–25 hr elimination half-life) fluorinated analogue of temazepam that has powerful hypnotic, sedative, amnesiac, anxiolytic, anticonvulsant and skeletal muscle relaxant properties.
Temazepam was shown to be more toxic than the majority of benzodiazepines. An Australian (1995) study found oxazepam less toxic and less sedative, and temazepam more toxic and more sedative, than most benzodiazepines in overdose. [11]
Temazepam was found in 26% of heroin-related deaths. Temazepam, including tablet formulations, are used intravenously. In an Australian study of 210 heroin users who used temazepam, 48% had injected it. Although abuse of benzodiazepines has decreased over the past few years, temazepam continues to be a major drug of abuse in Australia.