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Erythroderma Complications — RACP Adult Medicine MCQ

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ModerateDermatologyErythroderma ComplicationsRACP Adult Medicine

A 60-year-old man with psoriasis on methotrexate develops psorasis erythroderma (>90% BSA). What is the most dangerous acute complication?

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Correct answer: B — High-output cardiac failure from cutaneous vasodilation

Erythroderma: massive cutaneous vasodilation → high-output cardiac failure + hypothermia + protein loss + sepsis risk.

Reference: eTG – 2025 – Dermatology