Ativan is used by adults and children; for anxiety disorder, sleeping disorder, depression, phobia, seizures, etc. This medication comes from the benzodiazepine drug class and is sold under the Lorazepam brand name. It enhances the central nervous system in the brain; taken directly by mouth with or without food. Suitable dosages of Ativan 1 mg and Ativan 2 mg are available; dosages are based on your health condition and age.