Anxiety is treated with the prescription medication called diazepam. Additionally, agitation, tremors, delirium, seizures, and hallucinations brought on by alcohol withdrawal are all treated with diazepam. It is used for sedation during surgery, to treat seizures, and to relieve muscular spasms in some neurological conditions. Buy Valium Online gamma-aminobutyric acid (GABA) in the brain is enhanced by diazepam and other benzodiazepines. One neurotransmitter that suppresses brain activity is GABA. Neurotransmitters are chemicals that nerve cells use to interact with one another. Anxiety and other mental illnesses are thought to be caused by the brain's over activity.