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Lei Tou Feng (Thunderhead Wind) refers to headache accompanied by nodules or lumps on the head, or a sensation of thunderous roaring within the head. This is caused by the invasion of pathogenic wind; when wind moves, it produces sound. It may also be caused by phlegm-heat, as phlegm generates heat, and heat generates wind. The treatment method for mild cases is dispersion, while for severe cases, emesis and purgation are used.

(Xin Ding) Xiao Feng San Re Fang (Eliminate Wind and Clear Heat Decoction)
Bohe (Menthae Haplocalycis Herba, 7 fen) Lianqiao (Forsythiae Fructus) Huangqin (Scutellariae Radix) Hei Shanzhi (Gardeniae Fructus carbonized) Xijiao (Rhinocerotis Cornu) Jingjie (Schizonepetae Herba) Niubangzi (Arctii Fructus, each 1 qian) Jiegeng (Platycodonis Radix) Gancao (Glycyrrhizae Radix et Rhizoma, each 5 fen)
Take all ingredients as one dose, decoct in water.

Er Xian San (Two Immortals Powder) Zhang Zihe stated: For Lei Tou Feng, use this medicine to induce vomiting, followed by Shen Xiong Wan to purge. Shen Xiong Wan is also known as Cha Tiao San.
Gua Di (Cucumeris Fructus) Hao Cha (Good Tea, equal parts)
Grind into powder. Take 2 qian each time, mix with vinegar juice, take on an empty stomach to induce vomiting.

Shen Xiong Wan (See formula in Damp-Heat Headache section.)
Treats rising phlegm-fire obstructing the airway, combined with wind-fire, causing headache with noise, light like cicada chirping, heavy like thunder.
Banxia (Pinelliae Rhizoma, 1 liang, boiled with Ya Zao and Ginger Juice) Dahuang (Rhei Radix et Rhizoma, soaked in wine until permeable, wrapped in wet paper and baked, soaked and baked three times, 2 liang) Tian Chong (Bombyx Batryticatus) Lianqiao (Forsythiae Fructus) Ju Hong (Citri Reticulatae Pericarpium) Jiegeng (Platycodonis Radix) Tianma (Gastrodiae Rhizoma, each 5 qian) Pian Qin (Scutellariae Radix, 7 qian, stir-fried with wine) Bohe Ye (Menthae Haplocalycis Folium, 3 qian) Xiang Baizhi (Angelicae Dahuricae Radix) Qing Meng Shi (Calcaris Auripigmenti) Fen Cao (Glycyrrhizae Radix et Rhizoma, each 1 qian)
Grind into powder, make pills with steamed leavened dough soaked in water, size of mung beans. Take 2 qian swallowed with tea after meals and before bed, until phlegm is cleared. Then regulate with decoctions that clear phlegm and descend fire.

Da Tou Tong (Great Headache) refers to headache with swelling so large as a dou (a unit of volume), which is a pandemic disease transmitted by heaven's qi.

Pu Ji Xiao Du Yin Zi (Universal Benefit Detoxification Decoction)
Huangqin (Scutellariae Radix, stir-fried with wine) Chuan Lian (Coptidis Rhizoma, each 1 liang, stir-fried with wine) Bohe (Menthae Haplocalycis Herba, 1 qian) Ju Hong (Citri Reticulatae Pericarpium, 2 qian) Yuan Shen (Scrophulariae Radix, 2 qian) Gancao (Glycyrrhizae Radix et Rhizoma, 2 qian, raw) Lianqiao (Forsythiae Fructus, 1 qian) Shu Niu Zi (Arctii Fructus, 1 qian) Ban Lan Gen (Isatidis Radix, 1 qian) Ma Bo (Stachydis Spica, 1 qian) Tian Chong (Bombyx Batryticatus, fried, 7 fen) Sheng Ma (Cimicifugae Rhizoma, 7 fen) Chai Hu (Bupleuri Radix) Jiegeng (Platycodonis Radix, each 2 qian)
Grind all into fine powder. Mix with boiling water and take frequently. Or mix with honey to make pills for sucking. Alternatively, add Fangfeng (Saposhnikoviae Radix), Bohe, Chuanxiong (Chuanxiong Rhizoma), Danggui (Angelicae Sinensis Radix), cut into pieces the size of hemp seeds. Take 5 qian each time, decoct in water, remove dregs, and take hot. Take frequently after meals. If stool is hard, add Jiu Wei Dahuang (wine-baked Rhei Radix et Rhizoma) 1 or 2 qian to promote bowel movement. For severe swelling and heat, bi-stick puncture is appropriate. Another version excludes Bohe and includes Renshen (Ginseng Radix et Rhizoma) 3 qian.

When Dongyuan supervised the tax office at Jiyuan, during the long summer, many epidemic diseases occurred. Initially, patients felt aversion to cold and heaviness of the body, then the condition spread to severe swelling of the head and face, eyes unable to open, shortness of breath from above, throat obstruction, dry tongue and mouth. People called it "Big Head Heavenly Travel." Relatives avoided visiting, and infection often led to death. Magistrate Zhang also suffered from this. Physicians treated him with Cheng Qi Tang (Order the Qi Decoction) plus Ban Lan Gen to purge, resulting in slight relief. The next day, the condition remained unchanged. After another purge, there was still slight relief, but it could not be cured, and the condition gradually became critical. Dongyuan diagnosed and said: The upper half of the body is the qi of heaven, the lower half is the qi of earth. This pathogen resides between the heart and lungs, attacking upwards to cause swelling and pain in the head and eyes. Using Cheng Qi Tang to purge clears the excess heat in the stomach, which is punishing the innocent. How can one know to treat according to the root cause? Thus, he prescribed Huanglian (Coptidis Rhizoma) and Huangqin (Scutellariae Radix), bitter and cold, to clear heat in the heart and lungs as sovereign herbs; Yuan Shen (Scrophulariae Radix), salty and slightly cold, and Gancao (Glycyrrhizae Radix et Rhizoma), sweet and cold, to clear fire and tonify qi as minister herbs; Lianqiao (Forsythiae Fructus), Shu Niu Zi (Arctii Fructus), Bohe (Menthae Haplocalycis Herba), bitter, pungent, and neutral; Ban Lan Gen (Isatidis Radix), sweet and cold; Ma Bo (Stachydis Spica) and Bai Jiang Can (Bombyx Batryticatus), bitter and neutral, to dissipate swelling and detoxify, calm wheezing as assistant herbs; Sheng Ma (Cimicifugae Rhizoma) and Chai Hu (Bupleuri Radix), bitter and neutral, to circulate through the Shaoyang and Yangming meridians, allowing qi to ascend; Jiegeng (Platycodonis Radix), bitter, pungent, and warm, acting as a boat and oar to prevent downward flow. Taking this resulted in good recovery. He administered this prescription, saving many lives, and named it Pu Ji Xiao Du Yin Zi.