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Treatment for poisoning caused by incompatible medicines: Burn mulberry silkworm pupal cases (Can Shi) to ash, grind finely, take one qian (approx. 3-5g), mix with cold water, and take frequently until effective. Even if the patient presents with cyanotic complexion, absent pulse, abdominal distension, and hematemesis, administration of this remedy can restore life.

Vice Minister Yu was a native of Suzhou who had a lifelong preference for eating raw fish. In middle age, he suffered from a condition characterized by a hard abdomen and an inability to lie flat; each episode involved excruciating pain that nearly proved fatal. Repeated treatments were ineffective. A skilled physician examined his pulse and stated, "The right guan pulse of Vice Minister Yu is deep and hidden (Fu). A Fu pulse indicates accumulation; this is a mass (Zheng) formed by the retention of raw and cold food in the abdomen, causing unbearable pain. It can be treated with purgative medicine." He prescribed swallowing several pills with olive juice. That night, the patient evacuated approximately one basin of stool, half of which consisted of undigested fish filaments. From then on, he recovered completely (from *Ming Yi Lu*).

Wang Shunqiu stated: Lettuce originates from a certain country and possesses toxicity; hundred insects dare not approach it. When snakes or vipers pass beneath it and accidentally touch it, their eyes become dim and they lose sight. If a person is poisoned by this, only fresh ginger juice can detoxify it (from *Dun Zhai Xian Lan*).

In the South Sea, there is a fish known as the stone-headed fish (Shi Shou Yu); its otolith is called the "fish pillow" (Yu Zhen). The stones extracted from this area can be crafted into vessels for holding food and drink. If gu poison (Gu Du) is present, such vessels will inevitably crack under exposure to sunlight; this effect is very pronounced. Artisans in Fujian craft these vessels with particular skill. People merely admire their color but rarely recognize their utility (ibid.).

For alcohol poisoning resulting in unconsciousness lasting all day, boil one sheng of black beans (Hei Dou), extract the juice, and administer warm, one small cup per dose. Recovery occurs within no more than three doses. This is what contemporary people refer to as "drunkenness" or "alcohol intoxication" (from *Fu Shi Fan Wu Fang*).

Guan Qi, Vice Director of the Crown Prince's Study, served as the Commissioner of the Ever-Normal Granaries in the West Route of Guangnan. While inspecting the Yong region, an official was poisoned by insects, leading to widespread ulceration of the body. A physician claimed he could cure him. Upon examination, the physician said, "This is a bite from a 'Heavenly Snake' (Tian She). The disease has penetrated deeply and is incurable." Nevertheless, he applied medicine to the wound and used forceps to extract foreign bodies from the swollen areas. The extracted objects resembled snakes, totaling over ten pieces, yet the illness did not improve. Additionally, my family's ancestral graves are located at Xixi in Qiantang. Once, a farmer suddenly developed leprosy-like symptoms with full-body ulceration, crying out in despair. A monk from Xixi Temple recognized it, saying, "This is Heavenly Snake poison, not leprosy." He took tree bark, boiled it in water, and instructed the patient to drink approximately one dou, allowing free consumption. By the first day, the illness halved; within two or three days, complete recovery occurred. The bark was identified as modern-day Qin Pi (Cortex Fraxini). However, the nature of the Heavenly Snake remains unknown; some claim it is a yellow-flowered spider found in grass. After being bitten, if exposed to dew, this disease develops. Those wading through water should also exercise caution (from *Meng Xi Bi Tan*).