schedule IV agent
schedule IV agentPharmacology An agent with a low abuse potential relative to schedule III agents; these agents have accepted therapeutic uses; abuse of these agents may lead to limited physical or psychological dependence Examples Darvon, Talwin, Equanil, Valium, Xanax. See Controlled drug substances.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.