Aug 11, - Criminal laws, while guided by the scheduling system, often take other factors into account. For pot Still, a drug's schedule is an important policy guide. A stricter Schedule 4: Xanax, Soma, Darvocet, Valium, and Ambien. The abuse rate is a determinate factor in the scheduling of the drug; for example, Xanax, Soma, Darvon, Darvocet, Valium, Ativan, Talwin, Ambien, Tramadol. Jun 24, - Explore why these anti-anxiety medications are Schedule IV drugs. Benzodiazepines such as Ativan, Xanax, and Valium are a class of medications Also do not stop taking this medication without your doctor's advice.