Generic Name: lorazepam (oral) (lor A ze pam) Brand Names: Ativan What is Ativan? Ativan (lorazepam) is in a group of drugs called benzodiazepines (ben-zoe-dye-AZE-eh-peens). It affects chemicals in the brain that may become unbalanced and cause anxiety. Ativan is used to treat anxiety disorders. Ativan may also be used for other purposes not listed… Read More »