Automatism (toxicology)

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Automatism, in toxicology, refers to a tendency to take a drug over and over again, forgetting each time that one has already taken the dose. This can lead to a cumulative overdose. A particular example is barbiturates which were once commonly used as hypnotic (sleep inducing) drugs. Among the current hypnotics, benzodiazepines, especially midazolam might show marked automatism, possibly through their intrinsic anterograde amnesia effect.