ABSTRACT Purpose: The experiences of parents caring for the complex care needs of children with rare neurodevelopmental disorders are not well understood. Parents struggle to meet their children’s medical, behavioural, and social needs within and across health, social, and family systems. The purpose of this study was to explore the parents’ experience of caring for medical and social care needs for children with rare neurodevelopmental disorders. Methods: Hermeneutic phenomenology was used for the data analysis. Fifteen parents participated in semi-structured interviews. Results: Interpretive analysis revealed four insights: (a) difference in children’s behaviours and disease...