The differential diagnoses in children with refusal to walk or limping is extensive. One approach is to categorize the patients into two age groups, namely infants and adolescents.

In this presentation, the difference between transient synovitis and osteoarticular infections will be explained and why it is crucial to distinguish whether the condition is caused by kingella kingae or classical pathogens such as staphylococcus aureus. Additionally, a video example will demonstrate how children with spondylodiscitis typically present. Orthopedic causes should also not be overlooked in the differential diagnoses, such as Perthes disease, slipped capital femoral epiphysis, and traction apophysitis.