What is Ativan Generic? Ativan Generic form is famous among medical experts by the name Lorazepam. You can buy Ativan online that is a member of the drug class known as benzodiazepine. What is Ativan used for? Doctors used this medication to treat anxiety disorders, sleeping problems and prevent status epilepticus. This medication is a highly effective CNS depressant. When you buy Ativan online, ask your doctor about its other uses. You may use it in other conditions such as agitation, alcohol withdrawal, anxiety during the flight.