Diazepam is primarily used to treat anxiety disorders, muscle spasms, and seizures. It is also prescribed for managing symptoms of acute alcohol withdrawal and providing sedation before medical procedures. Valium 10 mg works by calming the brain and nervous system, making it effective for reducing anxiety, controlling muscle spasms, and preventing seizures. Additionally, it can be used to relieve panic attacks and, in some cases, treat insomnia caused by anxiety