Bromazepam
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| Trade names | Lexotan, Lexotanil |
| AHFS/Drugs.com | Micromedex Detailed Consumer Information |
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Oral (tablets) |
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| Bioavailability | 84% |
| Metabolism | Hepatic |
| Biological half-life | 12–20 hours |
| Excretion | Renal |
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| ECHA InfoCard | 100.015.748 |
| Chemical and physical data | |
| Formula | C14H10BrN3O |
| Molar mass | 316.2 |
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Bromazepam (marketed under several brand names, including Lectopam, Lexotan, Lexilium, Lexaurin, Brazepam, Rekotnil, Bromaze, Somalium and Lexotanil) is a benzodiazepine derivative drug, patented by Roche in 1963 and developed clinically in the 1970s. It is mainly an anti-anxiety agent with similar side effects to diazepam (Valium). In addition to being used to treat anxiety or panic states, bromazepam may be used as a premedicant prior to minor surgery. Bromazepam typically comes in doses of 3 mg and 6 mg tablets. Bromazepam is contraindicated and should be used with caution in women who are pregnant, the elderly, patients with a history of alcohol or other substance abuse disorders and children. Prolonged use of bromazepam causes tolerance and may lead to both physical and psychological dependence on the drug, and as a result, it is a medication which is controlled by international law.
Bromazepam is similar in side effects to other benzodiazepines. The most common side effects reported are drowsiness, sedation, ataxia, memory impairment, and dizziness. Impairments to memory functions are common with bromazepam and include a reduced working memory and reduced ability to process environmental information. A 1975 experiment on healthy, male college students exploring the effects of four different drugs on learning capacity observed that taking bromazepam alone at 6 mg 3 times daily for 2 weeks impaired learning capacities significantly. In combination with alcohol, impairments in learning capacity became even more pronounced. Various studies report impaired memory, visual information processing and sensory data and impaired psychomotor performance; deterioration of cognition including attention capacity and impaired co-ordinative skills; impaired reactive and attention performance, which can impair driving skills;drowsiness and decrease in libido. Unsteadiness after taking bromazepam is, however, less pronounced than other benzodiazepines such as lorazepam.
On occasion, benzodiazepines can induce extreme alterations in memory such as anterograde amnesia and amnesic automatism, which may have medico-legal consequences. Such reactions occur usually only at the higher dose end of the prescribing spectrum.
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