Valium (Diazepam) is an anxiolytic from the benzodiazepine family and treats many conditions. Buy Valium Online. It treats and prevent seizures, alcohol withdrawal, benzodiazepine withdrawal, insomnia and spasms, and restless leg syndrome. The effect of oral drugs begins after 50-60 minutes. On the other hand, in IV, the drug's effect starts within five minutes. It is available as nasal spray rectal gel inserted into the rectum and in different strengths and variants. It is an FDA-approved medication.