By the time a patient is formally categorized as having “Pyrexia of Unknown Origin”, a battery of tests have been performed and many physicians have run out of differential diagnoses. Adult Still’s Disease is considered a rheumatologic disorder and is, therefore, not considered if the patient does not have joint symptoms. We present the case of such a patient who presented with high spiking fever, and review how we gained confidence in establishing the diagnosis. (Rawal Med J 2005;30:41-42).
Key words: Adult Still’s Disease, hyperferritinemia, fever