Withdrawal symptoms, including rebound insomnia and rebound anxiety, may occur after only 7 days' administration of lorazepam.

Falls and hip fractures are frequently reported. government study of pharmaceutical-related ED visits by SAMHSA found that sedative-hypnotics in the United States are the pharmaceuticals most frequently used outside of their prescribed medical purpose, with 35% of drug-related emergency room visits involving sedative-hypnotics. Toxicity from propylene glycol has been reported in the case of a patient receiving a continuous lorazepam infusion. Acute delirium is sometimes treated with lorazepam, but as it can cause paradoxical effects, it is preferably given together with haloperidol. Food and Drug Administration (FDA) or visit www. edit HistoryHistorically, lorazepam is one of the "classical" benzodiazepines. Samples of Ativan purchased on the Internet have been found to contain haloperidol (Haldol), a potent antipsychotic drug with dangerous side effects. Sedation is the most complained-of side effect. fda. Because of its high potency, the smallest lorazepam tablet strength of 0.