Diazepam (also known as ) is a drug that treats anxiety, withdrawal from alcohol, and spasms. The drug belongs to a group of drugs called benzodiazepines. It works by calm down abnormal brain overactivity. http://www.rakutaku.com/cgi/patio_rakutaku/patio.cgi?mode=view&no=750%5Dlink%5B/url%5D