治胆痹口苦。
柴胡（一钱） 黄芩（七分） 人参 黄连 天冬 麦冬 山栀 生甘草 龙胆草 知母（各
五分） 五味子（七粒） 水煎服。
治胃经客热口臭，牙宣赤眼口疮，上焦消渴，此心肺胃药也。
熟地 生地 天冬 麦冬 枇杷叶（去毛） 黄芩（各一两） 茵陈 枳壳 石斛 甘草（各一两）
犀角（五钱） 为粗末，每服三五钱，水煎，食后临卧温服。
治口臭。用香薷煎浓汤含之。丹溪云∶香薷能治口臭如神。
治口疮，用砂仁火 存性为末，掺上即愈。又方用槟榔火 存性为末，入轻粉敷
用连翘为末，糊丸，食蒜韭之后，茶吞二三钱，口中浊气，化为清气，甚效。
歌曰∶心痛口疮，紫桔红苍，三钱四两，五服安康。上件紫菀、桔梗、红芍药、
苍术各等分细末，羊肝四两，批开掺药末三钱，用麻扎定，火内烧令熟，空心食之，白
汤送下，大效。
治舌痹或麻，此因痰气滞于心胞络。
半夏（用白矾生姜皂角煮过，一钱五分） 茯苓 橘红 栝蒌（去油） 贝母 黄连
桔梗 香附（便制） 枳壳（各一钱） 甘草（四分） 姜水煎服。
理中汤
方见中寒门。
口不能开合以萆麻子，棉纸取去油，将此纸作燃，灯上点着，吹灭将烟熏之，良久
则消。
昔人年二十余岁，口臭如登厕。医者曰∶肺金本主腥，金为火为乘，火主臭而然
也。久则成腐，腐者，肾也。亢极则反兼水化，其病在上，宜涌之，如法果愈。
治疗胆痹引起的口苦。
柴胡（一钱） 黄芩（七分） 人参 黄连 天冬 麦冬 山栀 生甘草 龙胆草 知母（各五分） 五味子（七粒），水煎服。
治疗胃经客热导致的口臭、牙龈出血、眼睛发红、口腔溃疡，以及上焦消渴，这是针对心、肺、胃的药物。
熟地黄 生地黄 天冬 麦冬 枇杷叶（去毛） 黄芩（各一两） 茵陈 枳壳 石斛 甘草（各一两） 犀角（五钱），研为粗末，每次服用三至五钱，水煎，饭后及临睡前温服。
治疗口臭。用香薷煎煮浓汤含漱。丹溪说：香薷治疗口臭有神奇效果。
治疗口腔溃疡，用火煅砂仁存性后研为细末，撒在患处即可痊愈。另一个方子是用火煅槟榔存性后研为细末，加入轻粉外敷。
用连翘研为细末，用糊剂制成丸药，在吃蒜和韭菜之后，用茶送服二三钱，口中的浊气可化为清气，效果很好。
歌诀说：心痛伴口疮，用紫菀、桔梗、红芍药、苍术，三钱四两的比例，服用五次即可安康。上述紫菀、桔梗、红芍药、苍术各等分研为细末，取羊肝四两，剖开掺入药末三钱，用麻线扎紧，在火中烧熟，空腹食用，白开水送下，效果显著。
治疗舌体麻痹或麻木，这是因为痰气阻滞在心包络。
半夏（用白矾、生姜、皂角煮过，一钱五分） 茯苓 橘红 栝蒌（去油） 贝母 黄连 桔梗 香附（便制） 枳壳（各一钱） 甘草（四分），姜水煎服。
理中汤
此方见“中寒”章节。
口不能开合，用蓖麻子，用棉纸吸去油脂，将此纸点燃，在灯上点着，吹灭后将烟熏患处，许久后即可消退。
过去有一人二十多岁，口臭如登厕所般难闻。医生说：肺金本主腥味，若被火邪乘袭，火主臭气所致。久则成腐，腐属肾。亢极则反兼水化，病位在上，宜用涌吐法，依法果然治愈。
To treat Dan Bi (Gallbladder Obstruction) with bitter taste in the mouth.
Chai Hu (Bupleuri Radix, 1 qian), Huang Qin (Scutellariae Radix, 7 fen), Ren Shen (Ginseng Radix et Rhizoma), Huang Lian (Coptidis Rhizoma), Tian Dong (Asparagi Radix), Mai Dong (Ophiopogonis Radix), Shan Zhi (Gardeniae Fructus), Sheng Gan Cao (Raw Glycyrrhizae Radix et Rhizoma), Long Dan Cao (Gentianae Radix), Zhi Mu (Anemarrhenae Rhizoma, each 5 fen), Wu Wei Zi (Schisandrae Chinensis Fructus, 7 grains). Decoct in water and take orally.
To treat bad breath due to guest-heat in the Stomach meridian, bleeding gums (Ya Xuan), red eyes, oral ulcers, and upper Jiao Xiao Ke (Wasting-Thirst syndrome). This is a formula for the Heart, Lung, and Stomach.
Shu Di Huang (Prepared Rehmanniae Radix), Sheng Di Huang (Rehmanniae Radix), Tian Dong (Asparagi Radix), Mai Dong (Ophiopogonis Radix), Pi Pa Ye (Loquat Leaf, remove hairs), Huang Qin (Scutellariae Radix, each 1 liang), Yin Chen (Artemisiae Scopariae Herba), Zhi Qiao (Aurantii Fructus), Shi Hu (Dendrobii Caulis), Gan Cao (Glycyrrhizae Radix et Rhizoma, each 1 liang), Xi Jiao (Rhinocerotis Cornu, 5 qian). Grind into coarse powder. Take 3–5 qian per dose, decoct in water, and take warm after meals and before bedtime.
To treat bad breath. Use Xiang Ru (Moslae Herba) to decoct a strong soup for holding in the mouth. Danxi stated: Xiang Ru treats bad breath with miraculous effect.
To treat oral ulcers, use Sha Ren (Amomi Fructus) calcined until carbonized but retaining its nature, grind into fine powder, and sprinkle on the affected area; it will heal. Another prescription uses Bing Lang (Arecae Semen) calcined until carbonized but retaining its nature, ground into fine powder, mixed with Qing Fen (Calamina), and applied externally.
Use Lian Qiao (Forsythiae Fructus) ground into fine powder, made into pills with paste. After consuming garlic and leeks, swallow 2–3 qian with tea. The turbid qi in the mouth transforms into clear qi; this is very effective.
The song states: For heart pain and oral ulcers, use Zi Wan (Adenophorae Radix), Jie Geng (Platycodonis Radix), Hong Shao Yao (Paeoniae Radix Rubra), Cang Zhu (Atractylodis Rhizoma). In the proportion of three qian and four liang, five doses bring health. The aforementioned Zi Wan, Jie Geng, Hong Shao Yao, and Cang Zhu are taken in equal parts, ground into fine powder. Take Si Liang (4 liang) of sheep liver, slice open, mix with three qian of the medicine powder, tie tightly with hemp thread, roast in fire until cooked. Eat on an empty stomach, washed down with white boiled water; highly effective.
To treat tongue Bi (obstruction) or numbness, which is caused by phlegm and qi stagnation in the Xin Bao Luo (Pericardium Collateral).
Ban Xia (Pinelliae Rhizoma, boiled with Bai Fan (Alumen), Sheng Jiang (Zingiberis Rhizoma Recens), and Zao Jiao (Gleditsiae Sinensis Spina), 1.5 qian), Fu Ling (Poria), Ju Hong (Citri Reticulatae Pericarpium), Gua Lou (Trichosanthis Fructus, remove oil), Bei Mu (Fritillariae Cirrhosae Bulbus), Huang Lian (Coptidis Rhizoma), Jie Geng (Platocodonis Radix), Xiang Fu (Cyperi Rhizoma, processed with urine), Zhi Qiao (Aurantii Fructus, each 1 qian), Gan Cao (Glycyrrhizae Radix et Rhizoma, 4 fen). Decoct in ginger water and take orally.
Lizhong Tang (Regulate the Middle Decoction)
This formula is found in the "Cold Damage to the Middle" section.
For inability to open and close the mouth, use Bi Ma Zi (Ricini Semen). Remove the oil using cotton paper. Light this paper on a lamp, blow out the flame, and smoke the affected area with the smoke. After a while, the swelling will subside.
In the past, a man in his twenties had bad breath as foul as a toilet. The physician said: Metal (Lung) naturally governs fishy smells. If Metal is overcome by Fire, and Fire governs foul odors, this causes the condition. Prolonged stagnation leads to putrefaction, which relates to the Kidney. When extreme, it reverses to assume Water transformation. Since the disease is located above, one should induce vomiting. Following this method, he was indeed cured.