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A clinically relevant lorazepam dose will normally be effective for six to 12 hours, making it unsuitable for regular once-daily administration, so it is usually prescribed as two to four daily doses when taken regularly, but this may be extended to five or six, especially in the case of elderly people who could not handle large doses at once.
In the elderly, long-term benzodiazepine therapy is a risk factor for amplifying cognitive decline, [29] although gradual withdrawal is associated with improved cognitive status. [30] A study of alprazolam found that 8 weeks administration of alprazolam resulted in deficits that were detectable after several weeks but not after 3.5 years.
[citation needed] For example, the equivalent dose of diazepam in an elderly individual on lorazepam may be half of what would be expected in a younger individual. [7] [8] Equivalent doses of benzodiazepines differ as much as 20 fold. [9] [10] [11]
Sold under the brand name Ativan®, lorazepam is a benzodiazepine used for anxiety in some cases. Oxazepam. As a generic and the brand names drugs Serax and Zaxopam, oxazepam is used to treat ...
High doses of many shorter-acting ... [12] [13] [14] The elderly are at an increased risk ... Lorazepam is the only benzodiazepine with predictable intramuscular ...
In the elderly a lower dose is recommended due to more pronounced effects and a significant impairment of standing up to 11 hours after dosing of 1 mg of loprazolam. The half-life is much more prolonged in the elderly than in younger patients. A half-life of 19.8 hours has been reported in elderly patients. [4]
The consensus is to reduce dosage gradually over several weeks, e.g. 4 or more weeks for diazepam doses over 30 mg/day, [1] with the rate determined by the person's ability to tolerate symptoms. [120] The recommended reduction rates range from 50% of the initial dose every week or so, [121] to 10–25% of the daily dose every 2 weeks. [120]
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