[Benzodiazepines : known risks and recent data].

Benzodiazepines have been considered the treatment of choice for a variety of neuropsychiatric disorders. They are currently much more controversial and drugs considered less dangerous are generally preferred. This article summarizes the characteristics of the different benzodiazepines present on the Belgian market. It describes abuse and dependence, as well as the risks of these substances in specific populations or situations. New data suggest that there is a much higher risk of decease in case of a chronic use. Finally, recommendations on rational use and withdrawal are given.