A 28-year-old man with suspected scabies presents with severe pruritus and widespread erythematous papules. Clinical examination shows burrows on the hands and feet. Skin scrapings for KOH mount are negative. Which is the most appropriate next investigation to confirm the diagnosis?

See the options, answer & explanation

Sign in free to reveal the answer choices, the correct answer, the detailed explanation, and AI-powered insights for this question.