Valium, the brand name for diazepam, is a prescription medication from the benzodiazepine class. It is used to treat a range of conditions, including anxiety, muscle spasms, seizures, and alcohol withdrawal symptoms. Valium Commonly prescribed for anxiety, muscle spasms, seizures, alcohol withdrawal symptoms, and sometimes for sedation before medical procedures. It Enhances the activity of GABA (gamma-aminobutyric acid), a neurotransmitter that inhibits brain activity, resulting in calming effects.