夫肺胀者。手太阴经是动病也。邪客于肺脉。气先受之。其证肺胀满膨膨而喘咳。缺盆
中痛。甚则交两手而瞀。是为臂厥。经谓肺胀者。虚而满喘。咳逆倚息。目如脱。其脉浮是
也。
方
半夏饮 治肺气胀满。咳嗽喘痰壅。四肢痿弱。积渐虚羸。
半夏（生姜汤浸七遍去滑） 麦门冬（去心焙各一两半） 升麻 前胡（去芦头各一两）
槟
榔（锉二枚） 陈皮（汤浸去白焙） 大黄（蒸三度炒各半两） 竹叶（三十片水洗） 生
地黄
（三两
再。
麻黄汤（出千金方）治肺胀咳而上气。咽燥而喘。脉浮者。心下有水。
麻黄 芍药 生姜（仲景用干姜） 细辛 桂心（各二两） 半夏 五味子（各半升） 石
膏
（四两） 上罗匀。以水一斗。煮取三升。分三服。仲景名此为小青龙加石膏汤。用甘草二
两
为
石膏汤 治肺痹。
石膏 麻黄（去根节汤煮掠去沫） 桑根白皮（锉炒） 甘草（炙锉） 款冬花（去梗
焙） 熟
干地黄（炒各一两） 麦门冬（去心焙） 桔梗（炒各半两） 上捣筛。每服三钱。入竹叶
少许。
水一盏。煎至七分去滓。温服。日三夜一。
槟榔汤 治肺气胀。心腹满闷。
槟榔（二枚锉） 诃黎勒（二枚去核） 陈皮（汤浸去白焙三分） 甘草（炙半两） 桑
根白皮
（一两三分） 豉（半合去皮） 上捣筛如麻豆大。每服五钱。水二盏。入生姜一枣大。葱
白五
寸
紫菀汤 治嗽喘肺胀不得眠卧。气急欲绝。
紫菀（去苗土焙干一两半） 甘草（炙锉二两） 槟榔（七枚锉） 赤茯苓 葶苈子（炒
一两）
上
半夏汤（出金匮方）治肺胀咳逆。倚息喘。目如脱。脉浮大。
半夏（半升汤浸七次去滑） 麻黄（去根节汤煮掠去沫六两） 石膏（碎半斤） 甘草
（炙二
两） 上捣筛如麻豆大。每服五钱。水二盏。入生姜五片。枣二枚。煎至一盏去滓。温服。
日三。
杏仁丸 治肺气喘急者。由肺乘于风邪则肺胀。则肺管不利。经络涩。气道不宣。
则上气逆
杏仁（汤浸去皮尖双仁炒） 马兜铃 蝉蜕（各半两） 砒霜（研一分） 上为末。煮
枣二十
枚。
皱肺丸 治肺胀。
五灵脂（研二两） 柏子仁（半两） 胡桃（八枚去壳研） 上研成膏。滴水为丸如小
豆大。
煎香甘草汤下十五丸。
木通饮 治肺胸膈膨膨喘嗽。缺盆中痛。\x
木通（锉） 桔梗（炒） 桑根白皮 升麻 黄芩（去黑心各一两半） 恶实（炒一两）
上粗
捣筛。每服五钱。水一盏半。生地黄分半切。煎至八分去滓。温服。
Lung distension (Fei Zhang) is a disease arising from disturbances in the Hand-Taiyin Lung Meridian. When pathogenic factors invade the lung vessels, Qi is affected first. The clinical manifestations include lung distension and fullness, chest swelling, wheezing, coughing, pain in the supraclavicular fossa (Quepen), and in severe cases, crossing both hands over the chest with visual disturbance or syncope, which is termed "Arm Jue" (Bi-jue). The Classics state: symptoms of lung distension include deficiency with fullness, wheezing, coughing with air rushing upward requiring support to breathe, eyes protruding as if falling out, and a floating pulse.
Prescriptions:
Banxia Yin (Pinellia Decoction): Treats lung Qi distension and fullness, coughing, wheezing with phlegm obstruction, flaccidity and weakness of the four limbs, and gradual emaciation.
Ingredients: Banxia (Pinelliae Rhizoma, soaked seven times in Shengjiang decoction to remove slipperiness); Maimendong (Ophiopogonis Radix, heart removed, dried, 1.5 liang each); Shengma (Cimicifugae Rhizoma); Qianhu (Peucedani Radix, rhizome removed, 1 liang each); Binglang (Arecae Semen, crushed, 2 seeds); Chenpi (Citri Reticulatae Pericarpium, soaked in water, white pith removed, dried); Dahuang (Rhei Radix et Rhizoma, steamed three times then stir-fried, 0.5 liang each); Zhuye (Bambusae Folium, 30 leaves, washed with water); Shengdihuang (Rehmanniae Radix, 3 liang).
Mahuang Tang (Ephedra Decoction, from *Qianjin Fang*): Treats lung distension with cough and rebellious Qi, dry throat with wheezing, floating pulse, and fluid retention in the epigastrium.
Ingredients: Mahuang (Ephedrae Herba); Shaoyao (Paeoniae Radix Alba); Shengjiang (Zingiberis Rhizoma Recens; Zhang Zhongjing used Ganjiang/Dried Ginger); Xixin (Asari Radix et Rhizoma); Guixin (Cinnamomi Ramulus, 2 liang each); Banxia (Pinelliae Rhizoma); Wuweizi (Schisandrae Fructus, 0.5 sheng each); Shigao (Gypsum Fibrosum, 4 liang).
Usage: Mix ingredients evenly. Boil in 1 dou of water until 3 sheng remain. Divide into three doses. Zhang Zhongjing named this formula Xiao Qinglong Jia Shigao Tang (Minor Blue Dragon Decoction plus Gypsum), adding Gancao (Licorice Root, 2 liang).
Shigao Tang (Gypsum Decoction): Treats Lung Bi (Lung Impediment).
Ingredients: Shigao (Gypsum Fibrosum); Mahuang (Ephedrae Herba, roots and joints removed, boiled in water to skim foam); Sangbaipipi (Mori Cortex, crushed and stir-fried); Gancao (Glycyrrhizae Radix et Rhizoma, honey-fried and crushed); Kuandonghua (Farfarae Flos, stems removed, dried); Shudihuang (Rehmanniae Radix Praeparata, stir-fried, 1 liang each); Maimendong (Ophiopogonis Radix, heart removed, dried); Jiegeng (Platycodonis Radix, stir-fried, 0.5 liang each).
Usage: Crush and sieve. Take 3 qian per dose, add a little Zhuye (Bambusae Folium). Boil in 1 cup of water until 0.7 portion remains. Strain and take warm. Three times daily, once at night.
Binglang Tang (Areca Decoction): Treats lung Qi distension and fullness/stuffiness in the heart and abdomen.
Ingredients: Binglang (Arecae Semen, 2 seeds crushed); Helile (Terminaliae Chebulae Fructus, 2 seeds pitted); Chenpi (Citri Reticulatae Pericarpium, soaked, white pith removed, dried, 3 fen); Gancao (Glycyrrhizae Radix et Rhizoma, honey-fried, 0.5 liang); Sangbaipipi (Mori Cortex, 1.3 liang); Chi Dou (Sojae Semen Preparatum, 0.5 he, skin removed).
Usage: Crush and sieve to the size of hemp seeds. Take 5 qian per dose with 2 cups of water, add ginger the size of a date, and 5 cun of Congbai (Scallion White).
Ziwan Tang (Aster Decoction): Treats coughing, wheezing, lung distension preventing lying down, urgent breathing as if about to cease.
Ingredients: Ziwan (Asteris Radix, stems and soil removed, dried, 1.5 liang); Gancao (Glycyrrhizae Radix et Rhizoma, honey-fried and crushed, 2 liang); Binglang (Arecae Semen, 7 seeds crushed); Chifuling (Poria with Red Wood); Tinglizi (Descurainiae Semen seu Lepidii Semen, stir-fried, 1 liang).
Usage: [Instructions omitted in original text].
Banxia Tang (Pinellia Decoction, from *Jingui Fang*): Treats lung distension with coughing and rebellious Qi, wheezing while leaning, eyes protruding as if falling out, and large floating pulse.
Ingredients: Banxia (Pinelliae Rhizoma, 0.5 sheng, soaked seven times in water to remove slipperiness); Mahuang (Ephedrae Herba, roots and joints removed, boiled in water to skim foam, 6 liang); Shigao (Gypsum Fibrosum, crushed, half jin); Gancao (Glycyrrhizae Radix et Rhizoma, honey-fried, 2 liang).
Usage: Crush and sieve to the size of hemp seeds. Take 5 qian per dose with 2 cups of water, add 5 slices of Shengjiang (Fresh Ginger) and 2 Zao (Jujubes). Boil until 1 cup remains. Strain and take warm. Three times daily.
Xingren Wan (Apricot Kernel Pill): Treats urgent pulmonary wheezing. This condition arises when wind-pathogen invades the lung causing lung distension, leading to dysfunction of the lung tubes, stagnation of meridians and collaterals, obstruction of the airway, and rebellious upper Qi.
Ingredients: Xingren (Armeniacae Semen Amarum, soaked in water, skin and tips removed, double-kernel, stir-fried); Madouling (Aristolochiae Radix); Chantui (Cicadae Periostracum, 0.5 liang each); Pishuang (Arsenicum Rubrum, ground, 1 fen).
Usage: Grind into powder. Boil 20 Zao (Jujubes) and mix with powder to form pills.
Zhoufei Wan (Wrinkled Lung Pill): Treats lung distension.
Ingredients: Wulingzhi (Trogopterori Faeces, ground, 2 liang); Baiziren (Platycladi Semen, 0.5 liang); Hetao (Juglandis Semen, 8 kernels, shell removed, ground).
Usage: Grind into paste, add drops of water to form pills the size of small beans. Take 15 pills with decocted Xiang Gancao (Fragrant Licorice) soup.
Mutong Yin (Akebia Decoction): Treats lung and chest distension with wheezing and coughing, pain in the supraclavicular fossa.
Ingredients: Mutong (Akebiae Caulis, crushed); Jiegeng (Platycodonis Radix, stir-fried); Sangbaipipi (Mori Cortex); Shengma (Cimicifugae Rhizoma); Huangqin (Scutellariae Radix, black heart removed, 1.5 liang each); Eshi (Arctii Fructus, stir-fried, 1 liang).
Usage: Coarsely crush and sieve. Take 5 qian per dose with 1.5 cups of water, add half a piece of cut Shengdihuang (Rehmanniae Radix). Boil until 0.8 portion remains. Strain and take warm.