Recognise lupus
Consider lupus when a patient, most often a woman aged 15 to 45, presents with a constellation rather than a single complaint: arthralgia or arthritis, unexplained fatigue, photosensitive rash, oral or nasal ulcers, serositis, lymphadenopathy, recurrent low-grade fever, cytopenias or proteinuria.
The pattern that matters is symptoms that come and go, recur over months, and cross organ systems, particularly when a patient has already been treated for several unrelated diagnoses.

