Lorazepam is a benzodiazepine that works in the brain to relieve symptoms of anxiety. Benzodiazepines are central nervous system (CNS) depressants, which are medicines that slow down the nervous system. This medicine is available only with your doctor's prescription. Lorazepam produces a calming effect on the brain and nerves, which helps to reduce anxiety symptoms and treat seizures. How is lorazepam supplied (dosage forms)? Brands and other names Ativan. Lorazepam belongs to a class of medications called benzodiazepines. It is thought that benzodiazepines work by enhancing the activity of certain neurotransmitters in the brain. Lorazepam is used in adults and children at least 12 years old to treat anxiety disorders. What is lorazepam, and what is it used for? Lorazepam is used for the management of anxiety disorders, the short-term relief of symptoms of anxiety or anxiety associated with depression. What Lorazepam Is Prescribed For The FDA approves lorazepam tablets for the management of anxiety disorders and for short-term relief of anxiety symptoms, including anxiety tied to depression. It is also used for insomnia caused by anxiety or temporary stress, typically taken as a single dose at bedtime. Lorazepam, sold under the brand name Ativan among others, is a benzodiazepine medication. [15] It is used to treat anxiety (including anxiety disorders), insomnia, severe agitation, active seizures including status epilepticus, alcohol withdrawal, and chemotherapy-induced nausea and vomiting. [15] lorazepam and what does it tre. t? Lorazepam is a benzodiazepine. It is approved for the treatment of anxiety, insomnia, or sleep difficulty due to anxiety or stress, status epilepticus (continuous seizures), and as a medicat. on given right before anesthesia. However, benzodiazepines can also be.