Ativan (lorazepam) is a rapidly acting prescribed medicine belonging to the benzodiazepines class of drugs that are utilized for managing highly stressful and agitated state, alleviating acute stress response, and providing a temporary treatment of insomnia or some seizure disorders. This drug acts by increasing the natural calming mechanisms of the brain by means of using GABA neurotransmitter and reducing the activity of excessive brain signals leading to relaxation and tranquility.