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. A box of Lorazepam Orion (lorazepam) tablets 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] Ativan is a benzodiazepine used to treat anxiety disorders or anxiety associated with depression. Learn about side effects, interactions and indications. Lorazepam is a prescription anti-anxiety drug used to treat anxiety disorders and anxiety associated with depression; insomnia, panic attacks, and seizures. Common side effects are weakness, dizziness, unsteadiness, and headache. Lorazepam is a benzodiazepine medicine and has a risk of addiction. Do not take lorazepam if pregnant or breastfeeding. Lorazepam is used to treat anxiety. Learn about side effects, drug interactions, dosages, warnings, and more. Find patient medical information for Lorazepam (Ativan, Loreev XR) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Lorazepam is in a group of drugs called benzodiazepines and is used to treat anxiety disorders. Learn about side effects, interactions and indications. Lorazepam, also known under the brand name Ativan, is used to treat anxiety disorders. Learn more about the benefits and side effects here. Lorazepam is used to treat anxiety disorders. It is also used for short-term relief of the symptoms of anxiety or anxiety caused by depression. 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. Lorazepam calms the nervous system, but it comes with real risks. Learn how it works, what it treats, and why dependence is a concern.