Ativan is the brand name of Lorazepam, and it is a benzodiazepine medication. You can use it to treat anxiety disorders and active seizures. It includes status epilepticus, trouble sleeping, alcohol withdrawal, and chemotherapy-induced vomiting and nausea. You can use it to sedate those who are surviving in ventilation. You can also use it during surgeries to interfere with memory formation. Midazolam is generally preferred even though you can use it for severe agitation. You can also use it for treatments like acute coronary syndrome due to cocaine use. You can take it in the form of injection into vain or muscle or by mouth.