A 44-year-old man with Crohn’s on infliximab presents with an acute, well-demarcated Facial Rash after family members fell ill. What’s the diagnosis?
A 44-year-old man with Crohn’s disease that was being treated with infliximab presented with a 2-day history of a facial rash. In the previous week, his daughter had had a sore throat, and his mother had developed a similar rash on her face. His heart rate was 96 beats per minute, and his temperature was 36.6°C (97.9°F). Physical examination was notable for well-demarcated, warm, erythematous, confluent plaques on the cheeks, nose, and glabella. The pharynx was normal, and no cervical lymphadenopathy was observed. Which of the following is the most likely culprit organism for the underlying diagnosis?
What is the most likely diagnosis?
Cellulitis, Erysipelas, Facial Rash, Immunosuppression, Streptococcus pyogenes
