Dr. Kiefer presented a fascinating case of Henoch-Schonlein Purpura presenting in a patient with a complex medical history who received antibiotics and presented with new renal failure, unique “palpable purpura” rash, and hypotension. While more common in pediatric populations, HSP occurs in adults as well, and can be a result of drug reaction. While a trigger is only found in a minority of patients, in addition to medications, triggers for adult onset HSP can include infections.
We used this as an opportunity to review our most commonly discussed vasculidities. Please note that this below chart is not meant to be exhaustive! It may however be useful for board prep or when thinking of a differential when a vascular inflammatory process is considered.