Schedule II – The drug of other substance has a high potential for abuse, and Lorcaserin, Xanax, Soma, Darvon, Darvocet, Valium, Ativan, Talwin, Ambien. As the drug schedule changes-- Schedule II, Schedule III, etc., so does the abuse Xanax, Soma, Darvon, Darvocet, Valium, Ativan, Talwin, Ambien, Tramadol. This is the list of Schedule II drugs as defined by the United States Controlled Substances Act. The following findings are required for drugs to be placed in this.