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Cheng Wuji's Commentary: The causes of heaviness of the body include wind-dampness, wind-cold, simultaneous presence of wind and dampness, fire-ni (adverse reaction to fire therapy), and Zhong-Yue (heatstroke). There are three main categories. Although the etiologies differ, all belong to the Three Yang meridians, unlike body pain accompanied by interior cold of the Three Yin meridians. Bianzheng (complicated diseases) may present with heaviness, but cold syndromes do not. Those who understand should distinguish them carefully.

Taiyang Chapter:
In Shanghan (cold damage), if the pulse is floating and slow, the body is not painful but heavy, occasionally alleviating, and there are no Shaoyin syndrome signs, Da Qing Long Tang (Great Blue Green Dragon Decoction) should be used to induce sweating. (See Taiyang Syndrome chapter)
After inducing sweating, if the body remains burning hot, it is called Feng Wen (Wind-Warmth). The pulse is floating, there is sweating, heaviness of the body, somnolence, and snoring in nasal breathing. (See Wind-Warmth; Yi Ren Huang Qi Tang from *The Man Who Lives* is suitable)
If Feng Wen presents with a floating pulse, heaviness of the body, sweating, and aversion to wind, Fang Ji Huang Qi Tang (Stephania and Astragalus Decoction) is appropriate.
Fang Ji (1 liang), Gan Cao (0.5 liang), Bai Zhu (0.75 liang), Huang Qi (deprived of roots, 1.1 qian). The above herbs are coarsely crushed. Take 5 qian per dose, add 4 slices of Sheng Jiang (Fresh Ginger), 1 Da Zao (Jujube), and 1.5 cups of water. Decoct until 0.8 cup remains. Take warm. After some time, a sensation like insects crawling on the skin will occur. From the waist down, it feels like ice. Then sit under blankets, wrap another blanket around the waist downwards, and induce slight sweating for recovery. If panting occurs, add Ma Huang (Ephedrae Herba) 0.5 liang; if stomach disharmony exists, add Shao Yao (Paeoniae Radix Alba) 0.3 fen; if qi rushes upward, add Gui Zhi (Cinnamomi Ramulus) 0.3 fen; if deep cold exists below, add Xi Xin (Asari Radix) 0.3 fen.
If the pulse is floating, sweating should be used to release the exterior. If moxibustion/fire therapy is applied, the pathogen cannot exit, and the condition worsens due to fire. The disease will manifest as heaviness and numbness from the waist down, termed Huo Ni (Fire Adversity).
If the pulse is floating and rapid, recovery should naturally come through sweating. If purgation is mistakenly used, resulting in body heaviness and palpitations, sweating should not be induced again. Recovery should await spontaneous sweating. This is because the chi position pulse is faint, indicating interior deficiency. The interior and exterior must be strengthened, fluids harmonized, leading to spontaneous sweating and recovery.
After eight or nine days of Shanghan, if purgation is mistakenly used, presenting with chest fullness, irritability and fright, dysuria, delirium, and whole-body heaviness making turning difficult, Chai Hu Jia Long Gu Mu Li Tang (Bupleurum Plus Dragon Bone and Oyster Shell Decoction) is the primary treatment. (Formula seen in Palpitations Zhang Zhongjing Disease Chapter)
Some case records describe heaviness preventing turning, caused by blood deficiency and fluid failure to nourish the exterior after purgation; pain preventing turning is due to wind-dampness battling in the meridians without interior pathogens. The classic states: After eight or nine days of Shanghan, wind-dampness battles, causing body pain, restlessness, inability to turn independently, no vomiting, no thirst, and a floating, deficient, and choppy pulse. Gui Zhi Fu Zi Tang (Cinnamon Twig and Aconite Decoction) is used. Here, Chai Hu Jia Long Gu Mu Li Tang is used. These two syndromes regarding inability to turn are similar, but the discussion of pain versus heaviness differs significantly; each should be treated according to its own method.

Yangming Chapter:
Disease with a slow pulse, sweating, aversion to cold absent, body heaviness, shortness of breath, abdominal fullness and wheezing, with or without tidal fever, belongs to Cheng Qi Tang (Order the Qi Decoction) syndrome. (See Abdominal Fullness chapter)
Yangming disease with a floating-tight pulse, bitter taste in mouth, dry throat, abdominal fullness and wheezing, fever, sweating, aversion to cold absent, and body heaviness. Sweating, burning needles, and purgation are contraindicated. (See Spontaneous Sweating note: This syndrome is suitable for harmonizing methods)

Three Yang Combined Disease Chapter:
Abdominal fullness, body heaviness making turning difficult, oral insensitivity with facial greasiness, delirium, and urinary incontinence. Inducing sweating worsens delirium; purgation causes sweating on the forehead and cold extremities. If spontaneous sweating occurs, Bai Hu Tang (White Tiger Decoction) is the primary treatment.
(Cheng Wuji's Commentary: Abdominal fullness, body heaviness making turning difficult, oral insensitivity, and delirium indicate Yangming disease. *Zhen Jing* states: When Shaoyang disease is severe, the face appears dusty; this facial greasiness indicates Shaoyang disease. Urinary incontinence indicates Taiyang disease. Since Yangming symptoms predominate among the three, it is listed in the Yangming chapter. Three Yang combined disease involves exterior and interior pathogens. If sweating attacks the exterior, dry-heat intensifies, worsening delirium. If purgation attacks the interior, exterior heat sinks inward due to deficiency, causing forehead sweating and cold extremities. Spontaneous sweating indicates excessive heat in the Three Yang meridians. *Nei Jing* states: Heat opens pores, Ying and Wei flow freely, causing profuse sweating. Administer Bai Hu Tang to resolve interior and exterior heat.)

Shaoyin Chapter:
Disease with abdominal pain, dysuria, heaviness and pain in four limbs, and diarrhea is treated with Zhen Wu Tang (True Warrior Decoction).

Zhong-Yue (Heatstroke) Chapter:
Fever, aversion to cold, body heaviness and pain, cold extremities, fever upon slight exertion, chills and piloerection after urination, pulse that is string-tiny, hollow, and slow, dry front teeth when opening the mouth. This is Taiyang Zhong-Yue. Sweating, purgation, and warm needles are contraindicated. (Yi Ren Jia Ren Shen Tang plus Ginseng is suitable; see Heatstroke chapter)

Yin Yang Yi Chapter:
Body heaviness, shortness of breath, urgency and tension in the lower abdomen, or pulling heat sensation from the yin region rising to the chest, dizziness, indicates Yin Yang Yi (Exchange of Yin and Yang). Shao Kun San (Burnt Undergarment Powder) is suitable. (Formula theory seen in Yin Yang Yi chapter)