A 65-year-old patient presents with this painful, itchy rash on the right dorsal foot. The pain has made ambulating difficult. Prior unsuccessful treatments included topical betamethasone and clotrimazole. Based on the image provided, which of the following treatments have the highest cure rate?

A. Oral itraconazole

B. Oral terbinafine

C. Topical ciclopirox nail lacquer

D. Topical efinaconazole

E. Oral ketoconazole

To find out the correct answer and read the explanation, click here. 

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