此名阴阳易病,又曰交肠。轻者不治而愈,重者肚腹里急后重,或至膝胫及阴中拘急,热气冲胸,头重眼花等症,宜用裤裆(近阴处者佳)烧灰,开水冲服。日服二三次,阴头微肿