Sedation consists in the administration of different types of drugs that produce central nervous system depression, decreasing alertness and anxiety, to allow medical procedures to be performed, which may or not be painful and require some degree of immobility.The physician in charge of the sedation of pediatric patients must know the physiological changes of the child, the pharmacokinetics and pharmacodynamics of the different medications to be used, as well as the possible complications that may occur before, during and after sedation, in order to provide a safe and quality care.