What is Ativan ? Ativan is a highly addictive prescription drug containing lorazepam, a high-potency intermediate-acting benzodiazepine. It was initially patented in 1963 by Wyeth Pharmaceuticals and went on sale in the United States in 1977 under the brand names Ativan and Temesta. Ativan has anxiolytic, hypnotic, amnesic, anticonvulsant, sedative and muscle relaxant properties. Its high relative potency makes 1 mg of […]