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The *Huangdi Neijing* (Yellow Emperor's Inner Canon) states: "Summer injury by heat (Shu), autumn must have malaria." Its symptoms at the onset include yawning and sudden chest stuffiness, fever with thirst, a yellowish-white complexion, sweating on the forehead, and sweating upon crying, after which the fever subsides slightly. However, the fever returns to its original state shortly thereafter. There is phlegm rattling in the throat, vomiting upon crying, and expulsion of phlegm after vomiting. If this occurs daily, it is identified as a malaria syndrome.

Commentary: The *Neijing* states that malaria can occur in all twelve meridians. Investigating its etiology, the primary mechanism invariably involves the Shaoyang Gallbladder Meridian. Malaria's association with the Shaoyang meridian is akin to coughing's association with the Lung. Generally, alternating chills and fever are governed by the Shaoyang. If one can early on employ methods to harmonize the exterior and interior, and differentiate yin and yang, the malaria pathogen will dissipate rapidly. However, if mistakenly diagnosed as convulsive disorder (Jing Feng) and treated lightly with sedative and descending agents, it leads to intense struggle between healthy qi and pathogenic factors, causing stagnation of Ying (Nutritive) and Wei (Defensive) qi. Yang desires to enter the interior but is blocked by Yin within; Yin desires to emerge to the exterior but is restrained by Yang outside. The Shaoyang Qi cannot ascend, and the Taiyin Qi cannot descend, resulting in mental confusion and convulsions during malaria attacks. It is appropriate to use Qingpi Yin (Clear the Spleen Decoction) to resolve the condition, after which the convulsions will cease naturally.

Qingpi Yin (Clear the Spleen Decoction): Treats pediatric malaria with heat inducing convulsions. There is no need to treat the convulsions directly; only treat the malaria.
Hang Qingpi (Citri Reticulatae Pericarpium Viride, 1 qian) Zhi Banxia (Pinelliae Rhizoma Preparatum, 1 qian) Ku Huangqin (Scutellariae Radix, 1 qian) Caoguoren (Tsaoko Fructus Semen, 0.5 qian) Bai Yunling (Poria, 1 qian) Bei Chaihu (Bupleuri Radix, 1 qian)
Zhen Chenpi (Citri Reticulatae Pericarpium, 1 qian) Biao Baizhu (Atractylodis Macrocephalae Rhizoma, 1 qian) Chuan Nanzhou (Moutan Cortex? Note: Text says Nanzhou, likely Nanmu/Magnolia Bark contextually or typo for Houpo, keeping literal: Magnoliae Officinalis Cortex?, 1 qian) Zhi Gancao (Glycyrrhizae Radix et Rhizoma Preparatum, 0.5 qian)
Three slices of Shengjiang (Zingiberis Rhizoma Recens), three dates (Jujubae Fructus), decocted in water, taken hot.

The *Huangdi Neijing* states: "Irregular diet and improper living habits, if affecting the Yin, enter the five zang organs, manifesting downward as undigested diarrhea (Sun Xie), and over time becoming dysentery (Chang Li)." Its initial symptoms include furrowed eyebrows and frequent crying due to abdominal pain; restlessness and anxiety due to tenesmus (Li Ji Hou Zhong); frequent trips to the toilet with inability to defecate, or stool mixed with red and white blood, or purely red or purely white, are the indicators of this condition.

Commentary: Although this syndrome is described as internal injury from diet, it invariably arises triggered by external pathogens. There is an exquisite treatment unknown to many: simply using Renshen Baidu San (Ginseng Detoxification Powder) to lift and disperse the pathogen, and the illness will subside. If there is food stagnation, mild cases are treated with digestion-promoting and guiding methods, while severe cases are treated with unblocking and draining methods to remove accumulated filth; none fail to heal. Ignorant practitioners, failing to observe correctly, instead administer astringents like Hezi (Terminalia Chebulae Fructus) and Doukou (Amomi Fructus Rotundus), leading to internal depression of accumulated toxins, causing abdominal pain and tenesmus with inability to defecate. This is a case requiring "treating obstruction with unblocking agents" (Tong Yin Tong Yong), yet they erroneously use "treating unblocking with obstructing agents" (Tong Yin Sai Yong), resulting in cases of coma and agitation. Urgently administer Hangxie Dan and Sanxian Dan together. After the bowels are unblocked, the disease will naturally depart: