Any discussion on narcotics, prescription drugs, or other controlled substances is usually peppered with the word schedule. One substance may be Schedule I, while another is Schedule II, III, or IV. Xanax; Soma; Klonopin; Valium; medicalcases.eug: dealers. Controlled Substance Schedules: Which Drugs Can I Legally Possess? than Schedule III drugs, and include Xanax, Soma, Klonopin, Valium, Ativan, The U.S. Drug Enforcement Division provides charts illustrating drug trafficking penalties. May 8, - Cocaine, meth, and opioid painkillers are Schedule 2 drugs, Steroids and testosterone products are Schedule 3, Xanax and Valium are.