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Huangqin (Scutellariae Radix) 3 liang, Gancao (Glycyrrhizae Radix et Rhizoma, roasted) 2 liang, Shaoyao (Paeoniae Radix Alba) 2 liang, Banxia (Pinelliae Rhizoma) half sheng, Shengjiang (Zingiberis Rhizoma Recens) 3 liang, Dazao (Jujubae Fructus) 12 pieces.
The above six herbs are boiled in one dou of water until reduced to three sheng. The dregs are removed, and the liquid is taken warm, one sheng per dose, twice during the day and once at night.
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For vomiting immediately after eating, Da Huang Gancao Tang (Rhubarb and Licorice Decoction) is the primary treatment.
[Annotation]
Vomiting refers to the expulsion of contents without sound. Vomiting food eaten in the morning but expelled in the evening indicates Cold; vomiting immediately after eating indicates Fire, because Cold nature is slow while Fire nature is urgent.
Therefore, Da Huang Gancao Tang is used to moderate the middle jiao and purge Fire; once the Fire is pacified, vomiting ceases naturally.
[Collected Annotations]
Wang Kentang stated: When a patient desires to vomit, purgative methods should not be used. Why, then, is Da Huang Gancao Tang used for vomiting immediately after eating? The answer is: When the desire to vomit exists, the pathology is located superiorly, and it is appropriate to follow this tendency by inducing emesis. If one opposes this tendency by forcing downward purgation, it will inevitably cause qi stagnation, oppression, and agitation, exacerbating the condition; hence, it is prohibited. However, if vomiting has already occurred and continues incessantly, with upward movement only and no downward descent, one must oppose and curb this trend, guiding the qi downward. Nothing acts faster than Da Huang (Rhei Radix et Rhizoma) for this purpose, hence its selection.
Cheng Lin stated: The classics say: "All rebellious upward movements belong to Fire." Vomiting immediately after eating results from Stomach Heat rebelling upward, preventing the retention of food. This differs from cold retching of water and fluids seen in Fanwei (Regurgitation). Therefore, this decoction is used to pacify Stomach Heat.
Gao Shishi stated: Vomiting immediately after eating is not Wei Fan (Stomach Regurgitation) caused by undigested old grain, but rather vomiting and rebellion caused by attacking and thrusting Fire-Heat.

Da Huang (Rhei Radix et Rhizoma) 4 liang, Gancao (Glycyrrhizae Radix et Rhizoma) 1 liang.
The above two herbs are boiled in three sheng of water until reduced to one sheng. Divide into two doses and take warm.
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When a patient desires to vomit, purgative methods must not be used.
[Annotation]
When a patient desires to vomit, the momentum of upward expulsion is vigorous; therefore, purgative methods must not be used. If the patient has already vomited, this momentum has subsided. One may then assist the body's recovery due to this decline; thus, there are indications for purgation in cases where vomiting has already occurred.
[Collected Annotations]
Xu Bin stated: The method of treating disease values following the momentum and guiding it accordingly. Thus, the *Neijing* states: "For pathologies in the upper, use emesis; for pathologies in the lower, use exhaustion (purgation)." Now that the disease tends upward toward vomiting, one must not force it downward. This applies to all diseases. Hence it is said: When a patient desires to vomit, do not use purgatives.
Cheng Lin stated: According to the character "yu" (desire/want), it implies the state of wanting to vomit but not yet having done so.
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When a patient feels as if they need to pant but does not, as if they need to retch but do not, as if they need to hiccup but do not, and feels a pervasive sense of restlessness and helplessness throughout the chest and heart region, Shengjiang Banxia Tang (Fresh Ginger and Pinellia Decoction) is the primary treatment.
[Annotation]
This follows the previous clause to detail the manifestations of desiring to vomit, thereby clarifying the treatment. Panting (Chuan) refers to rapid breathing. "As if panting but not panting" means discomfort in the chest resembling panting, but without the rapid breathing characteristic of true panting. Retching (Ou) involves expelling contents with sound. "As if retching but not retching" means appearing to have the posture of retching, but without expelling any substance. Hiccup/Dry heave (Yue) refers to dry heaving. "As if hiccuping but not hiccuping" means seeming to have the sound of hiccupping, but without the continuous sound characteristic of true hiccups. "Tong che xin zhong kui kui ran wu nai" describes a pervasive feeling of restlessness and helplessness in the chest and heart, summarizing the state of being like panting but not, like retching but not, like hiccuping but not—feeling mentally troubled, helpless, and distressed with a desire to vomit. Therefore, Banxia (Pinelliae Rhizoma) is used to direct rebellious qi downward, and Shengjiang (Zingiberis Rhizoma Recens) is used to calm the Stomach.
[Collected Annotations]
Shen Mingzong stated: "As if panting but not, as if retching but not, as if hiccuping but not"—these are indeed not panting, not retching, and not hiccuping. "Che" means through or pervasive. It refers to a pervasive feeling of restlessness and helplessness within the heart/chest, which is synonymous with a general sensation of nausea.