“…(1,2) The medication system is characterized by a dynamic activity with five stages (prescription, dispensing, preparation, administration and monitoring) that are interconnected with each other, in order to ensure patient safety. (3,4) In pediatric patients, there is greater vulnerability to failures in medication systems due to the specificity and complexity existing in every age group, susceptible to variations in weight, body surface, pharmacokinetic and pharmacodynamic mechanisms, absorption, metabolization and excretion of drugs. (5,6) It is necessary that nursing professionals have technical and scientific knowledge about the medication system, continuing education in pharmacology and physiology principles, drug administration routes and drug interactions, hence increasing the quality of care and ensuring the safety of patients.…”