Ativan is the brand name for lorazepam, a prescription benzodiazepine that quiets anxiety, panic, and sleeplessness. Taken regularly, it can build a real, physical dependence — even when you take it exactly as prescribed. Lorazepam, also known under the brand name Ativan, is used to treat anxiety disorders. Learn more about the benefits and side effects here. 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) 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. Lorazepam, sold under the brand name Ativan among others, is a medication of the benzodiazepine and depressant category. [15] It inhibits activity of the central nervous system, and has anxiolytic and hypnotic effects. 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 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 may cause serious or life-threatening breathing problems, drowsiness, or coma if used along with certain medications. Tell your doctor if you are taking or plan to take medications for cough or for pain. Ativan (lorazepam) is a prescription medication used for anxiety, insomnia, and seizures. Learn about side effects, dosage, uses, and more. 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.