A method and system for administering pharmaceutical agents to a subject is provided. The system includes a course of treatment regimen, which includes a prescribed order of medicine amounts for periodic administration to the subject in the prescribed order. The amount of medicine includes a dose of at least one active pharmacological agent (APA) and an amount of at least one non-active pharmacological agent (NPA). The NPA provides at least one non-visual sensory cue. The dosage amounts of the APA contained within the amounts of medicine periodically administered in the prescribed order are varied within the course of treatment regimen, and the amount of the NPA contained within the amounts of medicine periodically administered in the prescribed order are held constant within the course of treatment regimen.