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The patient experiences chills and fever; within a year, the symptoms are similar regardless of age. If contracted from epidemic pathogens leading to alternating chills and fever, it is called Yi Malaria (Epidemic Malaria). If chills and fever occur daily, accompanied by ominous dreams and frequent feelings of terror, it is called Ghost Malaria. It is appropriate to use exorcism, avoidance, suppression, and propitiation methods for treatment. When chills and fever appear intermittently and inconsistently, commonly seen in the South, it is called Zhang Malaria (Miasma Malaria). The patient feels hungry but cannot eat; after eating, there is abdominal distension and urgent pain. If the disease occurs daily, it is called Stomach Malaria. Among the six fu organs, only the stomach can have malaria, likely caused by damage to stomach qi due to irregular eating habits (overeating or hunger), known in the world as Food Malaria. Irregular diet leads to this syndrome. Some cases last for years without cure, relapsing after recovery. Long journeys, prolonged standing, or even slight physical exertion become intolerable; this is called Labor Malaria. Some cases persist for years despite continuous medication, forming masses (zheng ji) in the abdomen and hypochondrium; this is called Old Malaria or Mother Malaria.

*Shuowen Jiezi* states: "Malaria involves simultaneous chills and fever." Hot Malaria occurs every two days.

Generally, malaria is caused by summerheat injury. The treatment method should employ herbs for summerheat. *Suwen: Malaria Treatise* discusses three yin and three yang patterns to differentiate syndromes, prescribing acupuncture according to the affected meridians. For those with more chills, warm herbs are used; for those with more heat, cool herbs are used. This is an unchanging principle. If there is accumulation, abdominal pain must be present; Radix et Rhizoma Rhei (Dahuang) or Crotonis Fructus (Baiduou) preparations should be used to remove accumulation. If there is heat, Xiao Chaihu Tang (Minor Bupleurum Decoction) should be used. If there is cold, Cinnabar (Zhusha), Sulfur (Liuhuang), and Allium Sativum (Dasuan) should be used. However, after malaria subsides, tonifying medicines must not be taken; doing so will cause recurrence.

There is no distinction between new and old malaria, nor fixed timing for attacks. Take the grease from under the axle of a donkey's tail, wash it with water to obtain the juice, mix with flour to make two pills the size of a bullet, and bake them into flatbreads. Eat one pill before the malaria attack and one after the attack. (From *Geng Zhi*)

Mao Fu served his mother, Lady Ye, with extreme filial piety. At sixty-one years old, she had been ill for over ten days. Mao Fu was deeply worried, praying nightly to the North Star (Beichen), weeping while bowing. His sister stood by her bed. In a trance, a voice said, "Why not take Wuling San?" A packet of medicine was handed to him. Upon opening it, the contents were red. The sister said, "Normally this medicine is not like this; how can it be taken?" Soon he woke from the dream and told his brother. Two physicians said, "This illness is likely caused by accumulated heat; Cinnabar (Zhusha) should be added to Wuling San to fulfill the divine message." After taking the medicine once, the illness did not recur.

A member of the imperial clan, appointed as Vice Prefect of Changzhou through patronage, suffered from malaria for a long time without cure because the Prefect treated him with little courtesy. His clansman, Shi Qu, who held the title of Garrison Commander and was skilled in medicine, went to visit. While they were conversing, the patient suddenly became convulsive and frenzied, requiring support to remain upright, unconscious. The whole household was terrified. Shi Qu said, "Do not worry. This is depression causing a battle between yin and yang, leading to syncope. It matches the syndrome of Zheng Si Jiangjun Yinzi." First, moxibustion was applied, totaling four hundred moxa cones, but there was no sign of revival. Then, medicine was urgently prepared: one large processed Radix Aconiti Lateralis Preparata (Fuzi, peeled and navel removed), four processed Fructus Chebulae (Hegua, pitted), four pieces of Citri Reticulatae Pericarpium (Chenpi, whole, washed, white pith retained), and four liang of processed Radix Glycyrrhizae Preparata (Gancao). Each was chopped separately and divided into four doses. Using two cups of water, seven slices of ginger, and seven dates, decoct until one-third remains. After preparation, administer to the patient. Initially, one cup was forced down but not swallowed. By the second cup, swallowing seemed possible. By the third cup, the patient suddenly sat up. After finishing all four doses, he recovered instantly and never relapsed. Such emergency rescue was effective. Whenever malaria attacked, taking the medicine daily in cups yielded miraculous results. (From *Leibian*)