C19 Chinese ink drawing: Boils - 'hanging corner' boil
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Ink and brush drawing from a handwritten copy of the anonymous text Dingchuang yaojue (Essential Art of Boils), executed in 1874 (13th year of the Tongzhi reign period of the Qing dynasty). It indicates the disease location for diajiao ding ('hanging corner' boil). Hanging corner boils, also known as 'locked well' (suo jing) generally occur at the corners of the mouth and are classed as heat toxin conditions (re du) of the spleen channel. The preferred therapy is needling and opening (tiaoci), at locations including the tragus of the ear (ermen), the tip of the tongue, the Shoulder Well (jianjing) point, the tips of all ten fingers, the er yong point (?) and the gums; and internal treatment with tinospora root (jinguolan) medicine, taken orally 'to open the pass', Heart-Covering beverage (zhao xin yin), decoction of rhinoceros horn and rehmannia root (dihuang), etc.
PICTURE TITLE: Diajiao ding ('hanging corner' boil)