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Sudden onset of eye diseases is caused by the invasion of wind pathogen, which stagnates and transforms into heat, disturbing the clear orifices upwards. If meat is consumed, it aids fire and generates phlegm, obstructing the pathway for the expulsion of pathogens. Wind takes advantage of the power of fire to consume the essence (gaozhi) in the eyes, resulting in white membranes and red filaments, or fleshy growths that pull and adhere, causing impaired vision or even blindness. First, administer Jueming Xiaoyi San (Clear Brightness Decoction to Eliminate Opacity) for several doses, followed by Lingyangjiao Tang (Antelope Horn Decoction). (These two formulas are presented later.) Cases of chronic eye disease are not discussed here.

In men, women, adults, and children with various conditions, if within a few days the underside of the tongue is slippery and moist, while the surface is covered with a ginger-yellow coating, or if roundworms are passed during defecation, this indicates that the Qi of the Stomach Earth is about to perish. The parasites have no place to attach and emerge during bowel movements. Earth corresponds to yellow; the tongue turns yellow due to the decay of Earth Qi and the upward rushing of Qi. Death may occur within four to five days.

Stabbing pain traversing the chest and abdomen, where pressing reveals a pulsating sensation, and muscles feel hard as iron or stone, unyielding to needle insertion, signifies that True Qi has been exhausted and blood circulation is stagnant. This results in stiff, rigid muscles, which is a sign of imminent death.

Initially, there is a pinpoint stabbing pain on the sole of the foot, which gradually becomes hard as stone. After a long time, it may suppurate. Over five to six months or one to two years, walking causes stabbing pain, and pressure feels rigid like iron. It can be incised from the side with a knife, or cauterized at the apex with a fire needle, followed by inserting a medicinal strip to draw out the deep root. After recovery, avoid meat and fish for two months to prevent recurrence. This condition is not recorded in medical texts.

In epidemic febrile diseases, swelling and pain often appear on the body. Applying warm-natured plaster externally can inadvertently stir up internal fire, consuming Yin and assisting Yang. This leads to purple discoloration of the limbs, cold skin, hidden pulse, scattered spirit, and panting, leading to critical danger shortly thereafter.

Individuals with inherent deficiency, exacerbated by excessive labor, often suffer from insufficient True Qi. Swelling resembling a cup may appear below the breasts. Initially unnoticed, it gradually causes pain upon movement, coughing, or panting. If the swelling does not resolve, it may progress into consumptive weakness (Laoqie), which is difficult to treat.

When Warm Pathogen strikes, it immediately causes coma and muteness without fever, or convulsions of the hands and feet. After one or two days, the patient may briefly regain consciousness and speech, but then becomes increasingly irritable and restless, with slight fever, absence of sweat, and no thirst. This indicates the pathogen directly attacking the Pericardium (Xinbao) without yet transmitting to the Lung or Stomach. One should first check for red macules on the chest and back, and whether the tongue coating is dry. (Children may also present this condition.)

Upon the emergence of Warm Pathogen, the patient may exhibit wild agitation, running wildly, confused speech, restlessness in sitting and lying, or a dry, cracked tongue coating with prickles. This reflects intense heat disturbing the Pericardium, with Yin deficiency failing to nourish upwards. Administer a formula to rescue Yin. If the pulse becomes calm, the spirit settles, and the tongue becomes moist, the condition is treatable. If the mania persists, it indicates the scattering of the Heart Spirit, separation of Yang, and exhaustion of Yin; treatment will be futile.