夫热病口干者。由毒热在于脾胃故也。口为脾之外候。其脏若有积热。则津液枯少。故
令口干也。
治热病口干。烦热。宜服芦根散方。
芦根（二两锉） 地骨皮（一两） 茅根（一两锉） 甘草（三分炙微赤锉） 葛根（一
两锉）
麦门冬（一两半去心焙） 黄芩（一两） 川升麻（一两）
上件药。捣粗罗为散。每服四钱。以水一中盏。入竹茹一分。煎至六分。去滓。不计时
候。温服。
治热病。毒瓦斯在心脾。口干烦闷。宜服犀角散方。
犀角屑（一两） 栝蒌根（一两） 川升麻（一两） 麦门冬（二两去心焙） 寒水石
（一两）
葛根（一两） 胡黄连（一两） 生干地黄（一两） 甘草（半两炙微赤锉）
上件药。捣细罗为散。每服一钱。以新汲水调下。不计时候温服。
治热病。心脾壅热不退。口干烦渴。时发躁闷。宜服黄芩丸方。
黄芩（一两） 栀子仁（一两） 铁粉（一两细研） 栝蒌根（一两） 马牙硝（一两
研） 寒水
石（一两研）
上件药。捣罗为末。入研了药令匀。炼蜜和捣三二百杵。丸如梧桐子大。每服。不计时
候。以温浆水下三十丸。
治热病。脾积热。致口干烦渴。宜服栝蒌丸方。
栝蒌根（一两） 黄连（一两去须） 桑根白皮（三分锉） 犀角屑（三分） 人参（三
分去芦
头）
焙） 甘草
（半两
上件药。捣罗为末。炼蜜和捣三二百杵。丸如梧桐子大。每服。不计时候。以小麦汤。
温下三十丸。
治热病。心胸烦热。口干。皮肉黄。宜服生地黄煎方。
生地黄汁（五合） 生栝蒌根汁（五合） 蜜（二合） 生麦门冬汁（五合） 酥（一
两） 生藕
汁（一合）
上件药。一处相和。于锅中熬令稍稠。每服。不计时候。抄服半匙。
治热病。余热未退。口干烦渴。宜服此方。
知母（一两半） 甘草（三分炙微赤锉） 石膏（一两半）
上件药。捣粗罗为散。每服五钱。以水一大盏。入糯米五十粒。煎至五分。去滓。不计
时候。温服。
治热病。毒瓦斯未解。烦躁壮热。口干闷乱。宜服此方。
葱白（五茎拍破） 豉（三合） 甘草（半两炙微赤锉）
上件药。以水一大盏半。煎至一盏。去滓。入生地黄汁。生牛蒡汁。各二合。微暖。不
计时候。分为三服。
In cases of febrile diseases presenting with dry mouth, the etiology is attributed to toxic heat accumulating in the Spleen and Stomach. The mouth serves as the external manifestation of the Spleen; if there is accumulated heat within this Zang-organ, body fluids (Jin-Ye) become depleted, thereby causing dryness of the mouth.
For treating dry mouth and irritability associated with febrile diseases, the Lu Gen San (Reed Rhizome Powder) formula is indicated.
Ingredients: Radix Imperatae (Lugen, 2 liang, cut), Cortex Lycii (Digupi, 1 liang), Radix Imperatae (Maogen, 1 liang, cut), Radix Glycyrrhizae Preparata (Gancao, 3 fen, honey-fried until slightly red and cut), Radix Puerariae (Gegen, 1 liang, cut), Radix Ophiopogonis (Maimendong, 1.5 liang, heart removed and dried), Radix Scutellariae (Huangqin, 1 liang), Rhizoma Cimicifugae (Chuan Shengma, 1 liang).
Preparation: The aforementioned herbs are coarsely ground and sieved to produce a powder. For administration, take 4 qian of the powder, add 1 zhong of water and 1 fen of Bamboo Shavings (Zhuru), decoct until the volume reduces to 6 fen, then strain. Take warm at any time.
For treating febrile diseases where toxic heat affects the Heart and Spleen, resulting in dry mouth, irritability, and chest oppression, the Xi Jiao San (Rhinoceros Horn Powder) formula is indicated.
Ingredients: Cornu Bubali (Xijiao, 1 liang, shaved), Radix Trichosanthis (Gualougen, 1 liang), Rhizoma Cimicifugae (Chuan Shengma, 1 liang), Radix Ophiopogonis (Maimendong, 2 liang, heart removed and dried), Halitust (Hanshuishi, 1 liang), Radix Puerariae (Gegen, 1 liang), Radix Coptidis (Huhuanglian, 1 liang), Radix Rehmanniae Recens (Sheng Dihuang, 1 liang), Radix Glycyrrhizae Preparata (Gancao, 0.5 liang, honey-fried until slightly red and cut).
Preparation: The aforementioned herbs are finely ground and sieved to produce a powder. For administration, take 1 qian of the powder, mix with fresh cold water, and ingest. Take warm at any time.
For treating febrile diseases where stagnant heat in the Heart and Spleen persists, leading to dry mouth, irritability, thirst, and occasional restlessness and oppression, the Huang Qin Wan (Scutellaria Pill) formula is indicated.
Ingredients: Radix Scutellariae (Huangqin, 1 liang), Semen Gossypii Herbacei (Zhizi Ren, 1 liang), Ferrum (Tiefen, 1 liang, finely ground), Radix Trichosanthis (Gualougen, 1 liang), Natrii Sulfas (Mayaxiao, 1 liang, ground), Halitust (Hanshuishi, 1 liang, ground).
Preparation: The aforementioned herbs are ground into powder, mixed thoroughly with the pre-ground ingredients. Honey is refined and used to bind the powder, which is then pounded 200–300 times to form pills the size of Sophora seeds. For administration, take 30 pills at any time, washed down with warm sour rice water.
For treating febrile diseases where accumulated heat in the Spleen causes dry mouth, irritability, and thirst, the Gualou Wan (Trichosanthes Pill) formula is indicated.
Ingredients: Radix Trichosanthis (Gualougen, 1 liang), Radix Coptidis (Huanglian, 1 liang, whiskers removed), Cortex Morus Radicis (Sangbaipipi, 3 fen, cut), Cornu Bubali (Xijiao, 3 fen, shaved), Radix Ginseng (Renshen, 3 fen, rhizome removed), Radix Glycyrrhizae Preparata (Gancao, 0.5 liang, honey-fried until slightly red and cut).
Preparation: The aforementioned herbs are ground into powder. Honey is refined and used to bind the powder, which is then pounded 200–300 times to form pills the size of Sophora seeds. For administration, take 30 pills at any time, washed down with wheat broth.
For treating febrile diseases characterized by irritability and heat in the chest and heart, dry mouth, and yellowing of the skin and muscles, the Sheng Di Huang Jian (Fresh Rehmannia Decoction/Syrup) formula is indicated.
Ingredients: Juice of Radix Rehmanniae Recens (Sheng Dihuangzhi, 5 he), Juice of Radix Trichosanthis (Sheng Gualougenzhi, 5 he), Mel (Mi, 2 he), Juice of Radix Ophiopogonis (Sheng Maimendongzhi, 5 he), Butter (Su, 1 liang), Juice of Lotus Root (Sheng Ouji, 1 he).
Preparation: Mix all ingredients together and simmer in a pot until slightly thickened. For administration, take half a spoonful at any time.
For treating febrile diseases where residual heat has not subsided, causing dry mouth, irritability, and thirst, this formula is indicated.
Ingredients: Radix Anemarrhenae (Zhimu, 1.5 liang), Radix Glycyrrhizae Preparata (Gancao, 3 fen, honey-fried until slightly red and cut), Gypsum Fibrosum (Shigao, 1.5 liang).
Preparation: The aforementioned herbs are coarsely ground and sieved to produce a powder. For administration, take 5 qian of the powder, add 1 da zhong of water and 50 grains of Glutinosa Rice (Nuomi), decoct until the volume reduces to 5 fen, then strain. Take warm at any time.
For treating febrile diseases where toxic heat has not resolved, manifesting as restlessness, high fever, dry mouth, and mental confusion, this formula is indicated.
Ingredients: Bulbus Allii Fistulosi (Congbai, 5 stems, crushed), Semen Sojae Preparatum (Chi, 3 he), Radix Glycyrrhizae Preparata (Gancao, 0.5 liang, honey-fried until slightly red and cut).
Preparation: Decoct the herbs in 1.5 da zhongs of water until the volume reduces to 1 zhong, then strain. Add 2 he each of Juice of Radix Rehmanniae Recens (Sheng Dihuangzhi) and Juice of Radix Arctii (Sheng Niubangzi), warm slightly, and divide into three doses. Take at any time.