The pharmacy profession has encountered important changes along the most recent years because of social difficulties and requirements. In this way, it is important to understand the change of the pharmacist job, the systematization of pharmacy as a clinical profession, and pharmaceutical consideration as the principle philosophy of the professional practice, where the patient is the premier recipient of the drug specialist and pharmacist duties. The study objective was to depict how clinical pharmacy and pharmaceutical care, firmly related ideas, can participate to design a system for enhancing the quality of drug therapy.