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Commentary states that the pharyngeal gate (yanmen) is the pathway for Stomach Qi, and the larynx (houlou) is the passage for Lung Qi. Within the body, the ascending, descending, exiting, and entering of Qi has no urgency greater than this. A detailed examination of meridian flow and distribution reveals that the connection of the throat and pharynx is not limited to the Lung and Stomach. Therefore, Sun Simiao stated that it is the channel through which the Five Zang and Six Fu organs interact, and the way through which Shen Qi and Yin-Yang pass or are blocked. Human Blood and Qi circulate in harmony with Heaven and Earth, and the throat and pharynx are particularly crucial for intake and excretion. Thus, the *Neijing* states: The larynx governs Heavenly Qi (clear air), and the pharynx governs Earthly Qi (turbid substances). If the Zang organs have heat, the pharyngeal gate closes and Qi becomes obstructed; if the Fu organs have cold, the pharyngeal gate breaks and the voice becomes hoarse. This leads to conditions such as swelling, pain, throat obstruction (Houbi), sores, and palatine tonsil hypertrophy (Xuanyong), as well as sensations of a foreign body, stuffiness, pain, itching, and excessive saliva. These manifestations vary, and one cannot generally treat them all as excess heat. The general principle is: for heat patterns, use unblocking methods; for cold patterns, use tonifying methods; for patterns neither hot nor cold, regulate according to the meridians. Besides purging with decoctions, there are also acupuncture and other methods. The key is to eliminate the pathogen urgently without delay, unlike chronic diseases accumulated in the Zang and Fu organs, which require gradual resolution and conditioning, taking more than a day or night to achieve results.

Commentary states that throat and pharyngeal obstruction and blockage arise from dysfunction of the Spleen and Lung, where Wind pathogens and Heat toxins attack and rush into the throat and pharynx, causing swelling and pain. In severe cases, it leads to complete obstruction and blockage, requiring urgent treatment. This is because the throat and pharynx are the pathways for respiration and the entry and exit of Qi.

For treating throat and pharyngeal obstruction and blockage caused by accumulated Heat in the Heart and Lungs. Er Shen Tang (Two Shen Decoction):
Xuan Shen (Scrophulariae Radix), Zi Shen (Arnebiae Radix seu Lithospermi Radix), Bai Yao (likely referring to a specific local herb or preparation, kept as Bai Yao), Da Huang (Rhei Radix et Rhizoma, crushed and stir-fried), Shan Zhi Zi (Gardeniae Fructus, peeled), Di Gu Pi (Lycii Cortex), Gan Cao (Glycyrrhizae Radix et Rhizoma, honey-fried and crushed), Chai Hu (Bupleuri Radix, stems removed), Sang Bai Pi (Mori Cortex, crushed and stir-fried), Fang Feng (Saposhnikoviae Radix, bristles removed, each 1 liang).
The above ten herbs are coarsely pounded and sieved. For each dose, take 3 qian bi, add 1 zhan of water, decoct until 0.7 zhan remains, remove the dregs, and take warm after meals.

For treating throat and pharyngeal obstruction and blockage. Xie Re Tang (Drain Heat Decoction):
Da Huang (Rhei Radix et Rhizoma, processed), Gan Cao (Glycyrrhizae Radix et Rhizoma, honey-fried, each 1 liang), Mang Xiao (Natrii Sulfas, ground), Fang Feng (Saposhnikoviae Radix, bristles removed, each 0.5 liang).
The above four herbs are coarsely pounded and sieved. For each dose, take 3 qian bi, add 1 zhan of water, decoct until 0.8 zhan remains, remove the dregs, and take warm at any time.

For treating throat pain and obstruction and blockage. Sheng Ma Tang (Cimicifugae Decoction):
Sheng Ma (Cimicifugae Rhizoma, crushed), Mu Tong (Akebiae Caulis, 1 liang each), She Gan (Belamcandae Rhizoma), Luo Shi (Trachelospermi Caulis), Ling Yang Jiao (Saigae Tataricae Cornu, shaved, 3 fen each), Shao Yao (Paeoniae Radix), Dan Zhu Ye (Lophatheri Herba, washed), Xing Ren (Pruni Semen, soaked in water, peel and tips removed, double kernel, stir-fried, 0.5 liang each).
The above eight herbs, except for Dan Zhu Ye, are coarsely pounded and sieved. For each dose, take 3 qian bi, add 1 zhan of water and 7 leaves of Dan Zhu Ye, decoct until 0.6 zhan remains, remove the dregs, and take warm three times a day.

For treating external Heat in the Heart and Lungs, deficiency vexation, excessive phlegm, and throat discomfort. Zhen Zhu Wan (Pearl Pill):
Zhen Zhu (Margarita, ground to powder, 0.5 liang), Gan Cao (Glycyrrhizae Radix et Rhizoma, raw powder, 1 liang 1 fen), Long Nao (Borneolum Syntheticum, ground, 3 qian), Peng Sha (Borax, ground, 0.5 liang), Ning Shui Shi (Halloysitum Rubrum, 6 liang, calcined until red - *note: original text contains formatting errors here*), [Missing sixth ingredient implied by "Shang Liu Wei" but not explicitly named in the list provided].
The above six herbs (as per original text count) are further ground uniformly. Boil glutinous rice porridge and mix with the powder to form pills the size of corn seeds. Take one pill per dose after meals and before sleep, holding it in the mouth to dissolve and swallow the saliva.

For treating pharyngeal obstruction. Peng Sha San (Borax Powder):
Peng Sha (Borax, ground), Dan Fan (Chalcanthite, ground, 1 fen each), Long Nao (Borneolum Syntheticum, 1 qian), Qian Bai Shuang (Plumbi Subcarbonas, 3 qian), Ma Ya Xiao (Natrii Nitras, ground, 0.5 liang).
The above five herbs are finely ground. Apply a small amount to both sides of the uvula using the tip of a chopstick. If the mouth cannot open, blow the powder into the throat using a brush tube for immediate effect.

For treating throat and pharyngeal obstruction and discomfort. Fu Ling Tang (Poria Decoction):
Chi Fu Ling (Poria, black skin removed), Qian Hu (Peucedani Radix, rhizome removed, 2 liang), Sheng Gan Di Huang (Rehmanniae Radix Recens), Ren Shen (Ginseng Radix), Gui (Cinnamomi Cortex, rough bark removed), Shao Yao (Paeoniae Radix), Gan Cao (Glycyrrhizae Radix et Rhizoma, honey-fried and crushed, 1 liang each), Mai Men Dong (Ophiopogonis Tuber, heart removed and dried, 3 liang).
The above eight herbs are coarsely pounded and sieved. For each dose, take 3 qian bi, add 1 zhan of water and two split jujubes, decoct until 0.6 zhan remains, remove the dregs, and take warm three times a day at any time.

For treating throat and pharyngeal obstruction and blockage. Bi Jin San (Gold-Comparing Powder):
Bai Jiang Can (Bombyx Batryticatus, used raw), She Tui Pi (Bovis Periostracum, burned to ash).
The above two herbs are taken in equal parts, finely ground into a powder. Use half a qian bi per dose, sprinkle into the throat, swallowing saliva is acceptable, at any time.

For treating all types of throat wind obstruction and various throat diseases. Qu Du Wan (Remove Toxicity Pill):
Qing Lv (Malachite, from Xinzhou, slightly red), Hu Fen (Plumbi Carbonas).
The above two herbs are taken in equal parts, ground into powder. Make pills using vinegar-boiled wheat paste, the size of soap beans. Take one pill per dose, grinding it down with warm mint-infused wine. If the mouth cannot open, blow one zi of Bai Jiang Can powder into the nose; the mouth will open, toxic matter will be vomited out, and symptoms will stop immediately.

For treating throat and pharyngeal obstruction and blockage:
Ma Lin Gen (Iridis Tectorii Radix, as needed).
The above single herb is pounded to extract natural juice. Take 3 he of the hot juice orally for immediate relief.

For treating throat and pharyngeal obstruction and blockage:
Hong Lan Hua (Carthami Flos, as needed).
The above single herb is pounded to extract natural juice. Take 3 he per dose, swallowing slowly. If fresh flowers are unavailable, soak dried ones, stir to obtain concentrated juice, and take warm for similar relief.

For treating throat and pharyngeal obstruction and blockage. Li Tong San (Immediate Unblocking Powder):
You Ting (Scutigera coleoptrata, dried in shade, 14 pieces), Fan Shi (Alumen, half raw half calcined, 1 fen), Bai Mei Rou (Prunus mume flesh, stir-fried until dry, 14 pieces).
The above three herbs are pounded and sieved into a powder. Use half a qian bi per dose, blow into the throat, or mix with water and swallow. Vomiting will occur, leading to immediate unblocking.

For treating throat and pharyngeal obstruction and blockage:
Sang Shang Bai Er (Tremella fuciformis growing on mulberry, as needed).
The above single herb is pounded and sieved into powder. Soak in raw honey. Use half a spoon per dose, wrap in silk, hold in the mouth to dissolve, and swallow slowly. Relief occurs shortly.