[Interaction between prescribers, dispensers, and patients: shared information as a possible therapeutic benefit]

The article presents a critical view of the interaction between prescribers, dispensers, and patients, considering information one of the key issues in enhancing the qualitative aspects involved in this complex relationship. It describes the acquisition of information by health professionals, possible sources of this information, and the process involved in transforming it into knowledge. Briefly discussed are the physician's and pharmacist's roles, the patient's expectations as recipient, and consequences of pertinent health interventions.