治肺痈脓眶气上冲而呕，咳嗽。
南星（生，一两） 知母 贝母 白芷 生地 阿胶（炒） 川芎 桑白皮（炒） 白
芨（各半两） 甘草（炙） 防风 射干 桔梗 苏叶 天冬 薄荷 半夏（姜制。各七钱
半）
上每服一两，水二钟，生姜七片，乌梅一个煎，食远温服。渣再煎。
一方 治肺痈吐臭脓效。
桔梗 大耳草 贝母（去心） 紫菀（各二钱） 杏仁（三个，去皮尖）水一钟半，煎
服。
脉数为呕，代者霍乱，微滑者生，涩数凶断。有痰膈中焦食不得下者，有气逆者，有寒
气客于胃口者，有暑气所浸者，有饮食伤者，有瘀血停滞者，有因火与痰者为多。有物有声
为之呕吐，有声无物谓之哕。刘河间谓火气炎上，切不可下，逆之故也。
治胃气不和作吐。
藿香（一钱） 姜半夏（钱半） 陈皮（一钱） 甘草（炙，五分） 姜浓朴（一钱） 苍
术（炒，一钱） 白术（一钱二分） 冬月受寒冷，呕吐不止，元气虚者，加人参、干姜炮、
生姜五片，水煎服。
治疗肺痈（肺部化脓性疾病）导致脓液上冲引起呕吐、咳嗽的方剂。
生南星（一两）、知母、贝母、白芷、生地、炒阿胶、川芎、炒桑白皮、白芨（以上各半两）、炙甘草、防风、射干、桔梗、苏叶、天冬、薄荷、姜制半夏（以上各七钱半）。
以上药物，每次服用一两，加水二钟，生姜七片，乌梅一个，煎煮后，在饭后稍远时温服。药渣再次煎煮服用。
另一首方子：治疗肺痈吐出臭脓有效的方剂。
桔梗、大耳草、去心贝母（以上各二钱）、去皮尖的杏仁（三个），加水一钟半，煎煮后服用。
脉象数急主呕吐，脉象代主霍乱，脉象微滑主预后良好（可生），脉象涩且数主预后不良（凶险）。有痰阻膈中焦导致食物无法下咽的，有气逆导致的，有寒气客居胃口导致的，有暑气浸淫导致的，有饮食损伤导致的，有瘀血停滞导致的，因火邪与痰湿互结导致的居多。有物有声称为呕吐，有声无物称为呃逆（哕）。刘河间认为火气炎上，切不可使用攻下法，这是违背病机所致。
治疗胃气不和引起的呕吐。
藿香（一钱）、姜半夏（一钱半）、陈皮（一钱）、炙甘草（五分）、姜制厚朴（一钱）、炒苍术（一钱）、白术（一钱二分）。若在冬季感受寒冷，呕吐不止，且元气虚弱者，加人参、炮干姜、生姜五片，水煎服用。
治疗夏季伏暑引起的呕吐。
香薷（一两）、厚朴、扁豆、甘草（以上各三钱）。
用水四碗，煎至两碗，放冷后，慢慢服用。
治疗胃口有热，膈上有痰，时常发生呕吐和呃逆。
二陈汤加入砂仁、栀子、黄芩、黄连，均用姜汁制炒，加水一钟半，生姜五片，煎煮后服用。
A formula for treating lung abscess (a purulent disease of the lungs) where pus rushes upward causing vomiting and coughing.
Sheng Nan Xing (Arisaema Cum Bile, raw, 1 liang), Zhi Mu (Anemarrhenae Rhizoma), Bei Mu (Fritillariae Bulbus), Bai Zhi (Angelicae Dahuricae Radix), Sheng Di (Rehmanniae Radix), Chao E Jiao (Colla Corii Asini, stir-fried), Chuan Xiong (Ligustici Chuanxiong Rhizoma), Chao Sang Bai Pi (Mori Cortex, stir-fried), Bai Ji (Bletillae Rhizoma) [each 0.5 liang]; Zhi Gan Cao (Glycyrrhizae Radix et Rhizoma, honey-fried), Fang Feng (Saposhnikoviae Radix), She Ye (Belamcandae Rhizoma), Jie Geng (Platycodonis Radix), Su Ye (Perillae Folium), Tian Dong (Asparagi Radix), Bo He (Menthae Haplocalycis Herba), Jiang Zhi Ban Xia (Pinelliae Rhizoma, prepared with ginger) [each 7 qian].
For each dose of 1 liang, add 2 zhong of water, 7 slices of fresh ginger, and 1 dark plum. Decoct and take warm after meals. The dregs may be decocted again.
Another prescription: Effective for treating lung abscess with expectoration of foul-smelling pus.
Jie Geng (Platycodonis Radix), Da Er Cao (Euphorbiae Humifusae Herba), Qu Xin Bei Mu (Fritillariae Bulbus, heart removed) [each 2 qian], Ren Xing (Prunus Armeniaca Seed, skin and tips removed) (3 seeds). Add 1.5 zhong of water, decoct and take.
A rapid pulse indicates vomiting; a intermittent pulse indicates Huoluan (Cholera); a slightly slippery pulse indicates survival (favorable prognosis); a choppy and rapid pulse indicates a dire prognosis (ominous). Cases include phlegm obstructing the middle jiao preventing food intake, qi rebellion, cold pathogen lodging in the stomach opening, infiltration by summer-heat, dietary injury, stagnation of blood stasis, and most commonly, combination of fire and phlegm. Vomiting is characterized by both sound and matter; regurgitation without matter but with sound is called Yue (Hiccups/Inverted Stomach Qi). Liu Hejian stated that when fire qi flares upward, purgatives must strictly not be used, as this would go against the pathology.
A formula for treating vomiting caused by disharmony of stomach qi.
Huo Xiang (Agastaches Herba) (1 qian), Jiang Ban Xia (Pinelliae Rhizoma, prepared with ginger) (1.5 qian), Chen Pi (Citri Reticulatae Pericarpium) (1 qian), Zhi Gan Cao (Glycyrrhizae Radix et Rhizoma, honey-fried) (0.5 fen), Jiang Zhi Hou Po (Magnoliae Officinalis Cortex, prepared with ginger) (1 qian), Chao Cang Zhu (Atractylodis Rhizoma, stir-fried) (1 qian), Bai Zhu (Atractylodis Macrocephalae Rhizoma) (1.2 qian). In winter, if exposed to cold and vomiting persists with deficiency of yuan qi (primordial qi), add Ren Shen (Ginseng Radix), Pao Gan Jiang (Zingiberis Rhizoma, processed), and 5 slices of fresh ginger. Decoct with water and take.
A formula for treating vomiting caused by latent summer-heat in summer.
Xiang Ru (Moslae Herba) (1 liang), Hou Po (Magnoliae Officinalis Cortex), Bian Dou (Dolichoris Semen), Gan Cao (Glycyrrhizae Radix et Rhizoma) [each 3 qian].
Add 4 bowls of water, decoct until 2 bowls remain. Let it cool completely and take slowly.
A formula for treating heat in the stomach opening and phlegm in the diaphragm, causing occasional vomiting and hiccups.
Er Chen Tang (Two-Aged Decoction) added with Sha Ren (Amomi Fructus Rotundus), Zhi Zi (Gardeniae Fructus), Huang Qin (Scutellariae Radix), Huang Lian (Coptidis Rhizoma). All are prepared with ginger juice and stir-fried. Add 1.5 zhong of water and 5 slices of fresh ginger, decoct and take.