io̍h-chhu藥蛆

small rash due to skin irritation

small rash due to skin irritation from unventilated binding of medical gauze, etc.

English Wiktionary, “藥蛆” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E8%97%A5%E8%9B%86 · confidence: Medium (Wiktionary)