Febrile rash, shock, and hyperferritinaemia in a young woman: navigating the diagnostic overlap of hemophagocytic lymphohistiocytosis, toxic shock, and viral exanthema

Hyperferritinaemia is a useful biomarker but highly non-specific and must be interpreted within the broader clinical context.Serial trends in inflammatory markers and use of scoring tools such as the HScore guide safe decision-making in suspected hemophagocytic lymphohistiocytosis.Early multidisciplinary review helps prevent unnecessary immunosuppression and ensures timely supportive care.