蜀漆，乃常山苗，其功与常山同，蜀漆无华舶来之物。常山者，华物为良，和产多伪品。
若
小半夏汤证曰∶呕吐谷不得下。
小半夏加茯苓汤证曰∶卒呕吐。又曰∶先渴后呕。
浓朴生姜半夏甘草人参汤证，不具。
橘皮汤证曰∶干呕哕。
橘皮竹茹汤证曰∶哕逆。
橘皮枳实生姜汤证，不具。
以上六方，生姜各半斤。
生姜半夏汤证，不具。
上一方，生姜汁一升。
黄 桂枝五物汤证，不具。
吴茱萸汤证曰∶食谷欲呕。又曰∶干呕。又曰∶呕而胸满。
上二方，生姜各六两。
大柴胡汤证曰∶呕不止。又曰∶呕吐。
生姜甘草汤证曰∶咳唾涎沫不止。
栀子生姜豉汤证曰∶呕。
旋复花代赭石汤证曰∶噫气不除。
浓朴七物汤证，不具。
浓朴半夏汤证，不具。
当归生姜羊肉汤证，不具。
以上七方，生姜各五两。
茯苓泽泻汤证曰∶吐而渴。
生姜泻心汤证曰∶干噫食臭。
茯苓饮证曰∶自吐出水。
以上三方，生姜各四两。
桂枝汤证曰∶干呕。（凡桂枝汤出入诸方皆仿之）
真武汤证曰∶呕。
黄芩加半夏生姜汤证曰∶呕。
桂枝枳实生姜汤证曰∶诸逆。
茯苓甘草汤证，不具。
以上五方，生姜各三两。
干姜人参半夏丸证曰∶呕吐不止。
上一方，生姜汁糊丸。
据此诸方，则生姜但治呕也，哕逆噫气干呕，或干噫食臭，皆呕吐轻证也。故加咳唾涎
沫不止，似哕不哕，亦生姜所兼治也。岂不呕之余证乎？
蜀漆，是常山的嫩苗，其功效与常山相同。蜀漆没有从海外进口的药材。常山则是外来药材中品质较好的，但国内产地（和产）多为伪品。
小半夏汤证表现为：呕吐，食物无法下行。
小半夏加茯苓汤证表现为：突然呕吐。又说：先口渴后呕吐。
浓朴生姜半夏甘草人参汤证，此处未列出具体症状。
橘皮汤证表现为：干呕、呃逆。
橘皮竹茹汤证表现为：呃逆。
橘皮枳实生姜汤证，此处未列出具体症状。
以上六个方剂，生姜各用半斤。
生姜半夏汤证，此处未列出具体症状。
上一个方剂（生姜半夏汤），使用生姜汁一升。
桂枝五物汤证，此处未列出具体症状。
吴茱萸汤证表现为：进食后想呕吐。又说：干呕。又说：呕吐且胸部胀满。
上述两个方剂，生姜各用六两。
大柴胡汤证表现为：呕吐不止。又说：呕吐。
生姜甘草汤证表现为：咳嗽吐涎沫不止。
栀子生姜豉汤证表现为：呕吐。
旋复花代赭石汤证表现为：嗳气不除。
浓朴七物汤证，此处未列出具体症状。
浓朴半夏汤证，此处未列出具体症状。
当归生姜羊肉汤证，此处未列出具体症状。
以上七个方剂，生姜各用五两。
茯苓泽泻汤证表现为：呕吐且口渴。
生姜泻心汤证表现为：干噫伴有食物腐臭味。
茯苓饮证表现为：自行吐出清水。
以上三个方剂，生姜各用四两。
桂枝汤证表现为：干呕。（凡是桂枝汤加减变化的方剂都仿照此例）
真武汤证表现为：呕吐。
黄芩加半夏生姜汤证表现为：呕吐。
桂枝枳实生姜汤证表现为：各种气逆证。
茯苓甘草汤证，此处未列出具体症状。
以上五个方剂，生姜各用三两。
干姜人参半夏丸证表现为：呕吐不止。
上一个方剂，用生姜汁制作蜜丸。
根据这些方剂来看，生姜仅仅治疗呕吐罢了，呃逆、嗳气、干呕，或者干噫伴有食物腐臭味，都是呕吐的轻症。所以加上咳嗽吐涎沫不止，似呃非呃的情况，也是生姜兼治的范围。这难道不是呕吐的余留症状吗？
Shuqi (Rhizoma Dichroae), which is the sprout of Changshan (Radix Dichroae), has the same efficacy as Changshan. Shuqi does not include imported foreign herbs. Changshan is considered superior among foreign herbs, but those produced domestically (Hechan) are often counterfeit.
Ginger (Shengjiang) primarily treats vomiting. Therefore, it also treats dry heaves, belching, and hiccups.
The syndrome of Xiao Banxia Tang (Minor Pinellia Decoction) presents as: vomiting with inability to retain food.
The syndrome of Xiao Banxia Jia Fuling Tang (Minor Pinellia Decoction plus Poria) presents as: sudden vomiting. It also states: thirst followed by vomiting.
The syndrome of Houpo Shengjiang Banxia Gancao Renshen Tang (Magnolia Bark, Ginger, Pinellia, Licorice, and Ginseng Decoction) is not specified here.
The syndrome of Chupi Tang (Tangerine Peel Decoction) presents as: dry heaves and hiccups.
The syndrome of Chupi Zhuru Tang (Tangerine Peel and Bamboo Shavings Decoction) presents as: hiccups.
The syndrome of Chupi Zhishi Shengjiang Tang (Tangerine Peel, Immature Bitter Orange, and Ginger Decoction) is not specified here.
In the above six formulas, each contains half a jin of Ginger.
The syndrome of Shengjiang Banxia Tang (Ginger and Pinellia Decoction) is not specified here.
For the aforementioned formula, one sheng of Ginger juice is used.
The syndrome of Guizhi Wuwu Tang (Cinnamon Twig Five-Ingredient Decoction) is not specified here.
The syndrome of Wuzhuyu Tang (Evodia Decoction) presents as: desire to vomit after eating. It also states: dry heaves. It also states: vomiting accompanied by chest fullness.
In the above two formulas, each contains six liang of Ginger.
The syndrome of Da Chaihu Tang (Major Bupleurum Decoction) presents as: incessant vomiting. It also states: vomiting.
The syndrome of Shengjiang Gancao Tang (Ginger and Licorice Decoction) presents as: incessant coughing and spitting of saliva/phlegm.
The syndrome of Zhizi Shengjiang Chi Tang (Gardenia, Ginger, and Fermented Soybean Decoction) presents as: vomiting.
The syndrome of Xuanfuhua Daizhe Shi Tang (Inula Flower and Hematite Decoction) presents as: persistent belching.
The syndrome of Houpo Qiwu Tang (Magnolia Bark Seven-Ingredient Decoction) is not specified here.
The syndrome of Houpo Banxia Tang (Magnolia Bark and Pinellia Decoction) is not specified here.
The syndrome of Danggui Shengjiang Yangrou Tang (Angelica, Ginger, and Mutton Decoction) is not specified here.
In the above seven formulas, each contains five liang of Ginger.
The syndrome of Fuling Zexie Tang (Poria and Alisma Decoction) presents as: vomiting accompanied by thirst.
The syndrome of Shengjiang Xiexin Tang (Ginger and Heart-Melting Decoction) presents as: dry belching with a smell of undigested food.
The syndrome of Fuling Yin (Poria Drink) presents as: spontaneous vomiting of clear fluid.
In the above three formulas, each contains four liang of Ginger.
The syndrome of Guizhi Tang (Cinnamon Twig Decoction) presents as: dry heaves. (All variations derived from Guizhi Tang follow this pattern.)
The syndrome of Zhenwu Tang (True Warrior Decoction) presents as: vomiting.
The syndrome of Huangqin Jia Banxia Shengjiang Tang (Scutellaria, Pinellia, and Ginger Decoction) presents as: vomiting.
The syndrome of Guizhi Zhishi Shengjiang Tang (Cinnamon Twig, Immature Bitter Orange, and Ginger Decoction) presents as: various types of rebellious qi.
The syndrome of Fuling Gancao Tang (Poria and Licorice Decoction) is not specified here.
In the above five formulas, each contains three liang of Ginger.
The syndrome of Ganjiang Renshen Banxia Wan (Dried Ginger, Ginseng, and Pinellia Pill) presents as: incessant vomiting.
For the aforementioned formula, pills are made using Ginger juice as a binder.
Based on these formulas, Ginger solely treats vomiting. Hiccups, belching, dry heaves, or dry belching with a smell of undigested food are all mild forms of vomiting. Therefore, cases such as incessant coughing and spitting of saliva/phlegm, or symptoms resembling hiccups but not fully manifesting them, are also within the scope of Ginger’s secondary indications. Are these not merely residual symptoms of vomiting?