text: A 51 year old man was brought to the emergency department by the Ambulance crew on account of one day history of groin pain and worsening rash over the buttocks, abdomen, forearms and lower legs. There were also swellings of both hands and feet. The patient had seen his general practitioner a day before because of a 5 day history of groin ache, of which he arranged for a scrotal ultrasound, and administered diclofenac. Despite the anti-inflammatory medication, the pain became more intense with widely spreading rash. Henoch-Schönlein purpura was suspected and the patient was admitted into the medical unit after urine dipstick showed proteinuria, haematuria and ketonuria. An electrocardiogram performed showed ventricular ectopics. Chest X-ray was unremarkable. Blood investigations showed mild hyperglycaemia. He was commenced on intravenous fluids, hydrocortisone, and antibiotics.