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 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 is a prescription medical treatment used to manage anxiety. Lorazepam belongs to a class of drugs known as benzodiazepines which act on the brain and nerves (central nervous system) to produce a calming effect that relieves symptoms of anxiety. 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. Ativan is used in adults and children at least 12 years old to treat anxiety disorders. ATIVAN is a federal controlled substance (CIV) because it contains lorazepam that can be abused or lead to dependence. Keep ATIVAN in a safe place to prevent misuse and abuse. Ativan belongs to a class of medications called benzodiazepines. These medications work by boosting the activity of gamma-aminobutyric acid (GABA) within your body. What are Schedule 1, 2, 3, 4 and 5 drugs? See the full DEA controlled substance chart with examples from each class, from ketamine to weed to gabapentin. 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. Why is this medication prescribed? Lorazepam is used to relieve anxiety and treat insomnia. Lorazepam is in a class of medications called benzodiazepines. It works by slowing activity in the brain to allow for relaxation. Common Brand Name (s): Ativan, Loreev XR Common Generic Name (s): lorazepam Pronunciation: AT-ivan, lor-A-ze-pam, or-EEV ECKS-AR Drug Classes: anticonvulsant, anxiolytic, benzodiazepine.