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A patient suffered from Phlegm Jue (Phlegm-induced syncope), losing consciousness, with the jaw clenched tightly, making it impossible to administer any medicine orally; they could only wait for death. Dai Ren (Zhang Congzheng) saw this and asked the attendant: "Has there been saliva in the mouth?" The attendant replied: "Yes." Dai Ren first decocted Fangfeng (Saposhnikoviae Radix) and Lili (Veratrum Nigrum Rhizoma), mixed the powder of Gudi (Melon Seed), and attempted to instill it. Since the patient could not swallow, he took a long clam shell, ground off the sharp edges, wrapped the tip in paper, and inserted it into the right nostril, after which a swallowing sound was heard. He then did the same with the left nostril. Dai Ren said: "It can be treated." After a long time, no saliva came out. So, one qian of Pishi (Arsenic Trioxide) was used again and inserted into the nose. Suddenly, the patient lay supine, appearing to feel pain, and shortly thereafter vomited, expelling several sheng of gelatinous saliva, which had a strong fishy odor. Pishi should not be used routinely because the condition is severe and requires such a potent method to move the pathogen. However, without Gudi, Pishi should not be used directly; one must exercise discretion. Generally, when stroke causes phlegm obstruction, it is often diagnosed merely as Wind, leading to an exclusive search for Wind-expelling medicines, causing many to be misled by Lingbao Dan and Zhibao Dan. Liu Hejian, when treating Wind, disregarded Wind itself and focused on the Two Fires (Fire and Heat); thus, this method is applied within the context of Fire constitution.

The wife of Mr. Ma, during July, suffered from intestinal sliding diarrhea (chronic dysentery/diarrhea). She was treated with herbs that dispel dampness and descend fire, showing slight improvement. Later, abdominal distension and breast pain developed, resembling Chuiru (acute mastitis), with severe pain, high fever, a face red as cinnabar, alternating chills and fever, dry throat with regurgitation, chest and hypochondriac pain preventing turning over, tinnitus, inability to take food, and recurrence of diarrhea. I wished to purge the fire, but the intestines had been sliding for days; I wished to use warm agents to stop dysentery, but the upper jiao was already hot, making this contraindicated. I found myself at a loss for a method. I sent someone to Zhuge Temple to respectfully invite Dai Ren. By the time Dai Ren arrived, I consulted Liu Hejian's formulas and found that Yiyuan San (Benefit the Origin Powder) perfectly matched this syndrome, capable of descending fire, releasing the exterior, stopping thirst, promoting urination, and calming the spirit. I mixed Qingdai (Indigo Naturalis) and Bohe (Menthae Haplocalycis Herba) powders with two sheng of Yiyuan San, placed it by the pillow, and instructed her to take it in several doses. At midnight, she sweated profusely all over like being washed. Previously, her feet felt cold as ice; now they became very warm, her head felt suddenly light, muscle soreness and pain decreased, vomiting stopped, and diarrhea ceased. When Dai Ren arrived, I informed him that the condition had resolved. Dai Ren said: "Yiyuan San is indeed appropriate. This is Shaoyang Syndrome (Lesser Yang Syndrome), which causes severe chills and fever; even if other meridians have chills and fever, they would not be so severe. Since there is heat accompanied by dysentery, and you do not wish to purge further, why not use Huanglian Jiedu Tang (Coptis Decoction to Relieve Toxicity)?" He then asked me to palpate the pulse. Dai Ren said: "Since the onset of this lady's illness, has she often desired to weep bitterly to find relief?" The woman replied: "I do desire to do so, though I do not know why." Dai Ren said: "Shaoyang Ministerial Fire scorches Lung Metal; Lung Metal, constrained and wronged, has nowhere to complain. The Lung governs grief; thus, she desires to weep bitterly to find relief." Mr. Ma said: "All my relatives respect and admire him. The pulse was initially surging, rapid, and forceful; after taking Yiyuan San, it halved. Hearing Dai Ren's words, I administered Danggui (Angelicae Sinensis Radix) and Shaoyao (Paeoniae Radix Alba) along with several ingredients from the Jiedu Tang, resulting in significant recovery."