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Sedation is the side effect people taking lorazepam most frequently report. In a group of around 3,500 people treated for anxiety, the most common side effects complained of from lorazepam were sedation (15.9%), dizziness (6.9%), weakness (4.2%), and unsteadiness (3.4%). Side effects such as sedation and unsteadiness increased with age. [59]
Symptoms. Effects of long-term benzodiazepine use may include disinhibition, impaired concentration and memory, depression, [ 19 ][ 20 ] as well as sexual dysfunction. [ 6 ][ 21 ] The long-term effects of benzodiazepines may differ from the adverse effects seen after acute administration of benzodiazepines. [ 22 ]
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 elderly have less cognitive reserve and are more sensitive to the short (e.g., in between dose withdrawal) and protracted withdrawal effects of benzodiazepines, as well as the side-effects both from short-term and long-term use. This can lead to excessive contact with their doctor.
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]
The long-term effects of benzodiazepines and benzodiazepine dependence in the elderly can resemble dementia, depression, or anxiety syndromes, and progressively worsens over time. Adverse effects on cognition can be mistaken for the effects of old age.