Lorazepam is used to relieve anxiety. Lorazepam is also used to treat insomnia caused by anxiety or temporary situational stress. Lorazepam is in a class of medications called benzodiazepines. It works by slowing activity in the brain to allow for relaxation.

Lorazepam comes as a tablet, an extended release capsule (Loreev), and concentrate (liquid) to take by mouth with or without food. The tablets and concentrate (liquid) are usually taken with or without food two or three times a day. If lorazepam (tablets or concentrate) is used to treat insomnia, it is usually taken at bedtime. The extended release capsules (Loreev) are usually taken with or without food once a day in the morning. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take lorazepam exactly as directed.