Diazepam is used to relieve anxiety, control agitation caused by alcohol withdrawal, control muscle spasms and stiffness caused by certain nerve disorders, and to control seizures. Find patient medical information for Diazepam (Valium, Libervant) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Diazepam is used to treat anxiety disorders, alcohol withdrawal symptoms, or muscle spasms. Learn about side effects, interactions and indications. Diazepam is a widely used benzodiazepine medication primarily prescribed for anxiety, muscle spasms, seizures, and alcohol withdrawal. Learn about its uses, dosing, safety, and latest research to make informed health decisions. Diazepam is mainly used to treat anxiety, insomnia, panic attacks, and symptoms of acute alcohol withdrawal. Diazepam is used to relieve symptoms of anxiety and alcohol withdrawal. This medicine may also be used to treat certain seizure disorders and help relax muscles or relieve muscle spasm. Diazepam Tablets contain the active ingredient diazepam, which belongs to a group of medicines called benzodiazepines. This medicine has been prescribed for you for the treatment of anxiety, muscle spasms and convulsions (fits).