Breath-holding Spells and Its Management Study

The goal of this prospective population-based study is to evaluate the new disease description and management guidelines for breath-holding spells in children (Hellström Schmidt et al, Acta Paediatrica 2024) below the age of 5 years in southern Sweden. The main questions it aims to answer are: * Does the disease description and management guidelines lead to the expected reduction in diagnostic interventions and are the clinical managements guidelines safe to use? * If iron supplementation is given, does it reduce the frequency and severity of the spells? * What information and support does parents to children with breath-holding spells need? Participants will undergo evaluation by a medical doctor and if typical breath-holding spells are diagnosed, be managed according to the new guidelines. If iron deficiency is found, iron supplementation is recommended. Digital surveys will be distr