Introduction: It needs to show pharmaceutical activities focused on patient care, achieving safe and effective use of medication and finally achieve the therapeutic goals of patients. Objective: To describe the activities carry out in a pharmaceutical care campaign as strategy for pharmaceutical service implementation. Material and methods: An observational, descriptive, transversal, which included patients who attended institutional pharmacy day of the campaign, who received at least one of the three following services: 1) drug information using a music stand with sheet; 2) pressure measurement blood, and 3) pharmaceutical care. Results: We developed the 3 programmed activities. 815 people were interested in the information provided with the flip chart. A total of 96 people came for blood pressure measured, 62.5% being male and the other women. The mean (standard deviation) age was 67.83 (13,624). 25% of patients had values greater than 140/90 mmHg. Pharmacotherapy follow up service was requested by 39 patients, 66.66% women and other men. The mean (SD) age was 64.7 (19.7). 33 real DRP and 7 potential DRP were detected. It was notified 12 reports of adverse drug reactions, with 50% of serious gravity. Conclusion: The development of pharmaceutical campaign has yielded data on medication use in chronic diseases, adverse reactions and to what extent patients reach their therapeutic goals, which shows the urgent need for patients to receive services in a systematic achieve optimized pharmaceutical drug treatments for outpatients. Copyright © 2013 Ediciones Mayo, S.A.