中醫學稱本證為陰癢、陰門搔癢、陰虱,本症認為外陰搔癢的發生與肝、脾、腎之功能失常有關。肝脾主陰氣又主藏血、腎精主生殖、開竅於二陰。
Traditional Chinese medicine calls this Yin-itching, yin-tickling, vaginal orifice itching. This disease is thought to be caused by the dysfunctions of liver, spleen and kidney. Liver and spleen govern Yin-qi and responsible for storing blood; essence of kidney governs reproduction and opens orifices at the 2 genitals.