As the drug schedule changes-- Schedule II, Schedule III, etc., so does the abuse A Listing of drugs and their schedule are located at Controlled Substance Act Xanax, Soma, Darvon, Darvocet, Valium, Ativan, Talwin, Ambien, medicalcases.eug: depressants. This is the list of Schedule IV drugs as defined by the United States Controlled Substances Act. The following findings are required for drugs to be placed in this schedule: The drug or other substance has a low potential for abuse relative to the drugs or other substances in schedule III. 1 Narcotics; 2 Depressants; 3 Fenfluramine; 4 Lorcaserin; 5 Stimulants. Jun 14, - Schedule II (or Schedule 2) substances possess some known medicinal benefits, Schedule III drug possession charges vary based on state.