tioh-hông擢癀

to draw out pus by applying a plaster

to draw out pus by applying a plaster to the affected area

TCM

English Wiktionary, “擢癀” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E6%93%A2%E7%99%80 · confidence: Medium (Wiktionary)