A European initiative has published the first evidence-informed consensus-based guidelines that aim to standardize the diagnosis and treatment of juvenile dermatomyositis (JDM) across the continent and thus improve patient outcomes. The committee of 19 paediatric rheumatologists and 2 experts in paediatric exercise physiology and physical therapy reached >80% agreement on 7 overarching principles and 52 recommendations that cover disease assessment, patient monitoring, and treatment of early and refractory disease.