skip to main content

Necrotizing fasciitis — MCCQE Part 1 MCQ

Instant feedback + full explanation. One question, done properly.

HardSkin LesionsNecrotizing fasciitisMCCQE Part 1

A 56-year-old man with diabetes has rapidly progressive leg pain, fever and erythema after a small abrasion. Pain is out of proportion, bullae are present and sodium is low. Which of the following is the most appropriate next step?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: E — Immediate broad-spectrum antibiotics and urgent surgical debridement

Rapid progression, systemic toxicity, bullae and pain out of proportion suggest necrotizing fasciitis. Treatment requires immediate broad-spectrum antibiotics and surgical debridement; imaging must not delay surgery when suspicion is high. Oral outpatient cellulitis therapy is inadequate.

Reference: Canadian infectious diseases and surgery practice; provincial necrotizing soft tissue infection pathways