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 (lorazepam) is a prescription medication used for anxiety, insomnia, and seizures. Learn about side effects, dosage, uses, and more. Ativan is used to treat anxiety, seizures, and other conditions in adults. Find out what the recommended dosages are, how to use the drug, 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 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. Ativan (lorazepam) is indicated for the management of anxiety disorders or for the short-term relief of the symptoms of anxiety or anxiety associated with depressive symptoms. Anxiety or tension associated with the stress of everyday life usually does not require treatment with an anxiolytic. Ativan (lorazepam) is indicated for the management of anxiety disorders or for the short-term relief of the symptoms of anxiety or anxiety associated with depressive symptoms. Lorazepam (Ativan) is a medication that treats anxiety. It helps your nervous system slow down. 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 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.