《圣惠》芦根散 治小儿壮热不止。
芦根 黄 人参 甘草（炙） 麦门冬 知母（各半两）
上件，粗罗为散，每服一钱，以水一小盏，入竹叶七片、粟米一百粒，煎至五
分，去渣，不计时候温服，量儿之大小，以意加减。
《婴孺》麦门冬汤 治小儿夏天服药大下后，胃中虚热，渴欲饮水。
麦门冬 甘草 龙骨（各四分） 枳实 黄芩 茯苓 人参（各三分）
上，以水四升，煮取一升半，为三服。服此汤后渴不瘥，取水芹煮浓汁饮之，
间汤服之，甚者、恣意与之服。
芦根饮子 治小儿壮热，渴兼吐不止。
生芦根（切，五合） 淡竹青皮 人参（各八分） 桔梗（五分） 知母（十分） 粟米（三合）
上，以水五升，煮之一升半，量儿大小，与之服。
栝蒌汤 治小儿热渴，或吐下后虚热渴。
栝蒌（五分） 黄芩（三分） 知母 芦根（各二分） 生米（二合） 麦门冬（三合）
上切，以水五升，煮二升，如饮浆水度服之。
钱氏白术散
人参（切去头） 白术 木香 白茯苓（去皮） 甘草（锉，炒） 藿香叶（各一两） 干葛（二两，锉）
上为粗末，每服一钱至二钱，水一盏，煎至五分温服，如饮水者，多煎与之，无时。
海藏云，治发渴四君子加干葛、枇杷叶（先以枣汤煮过，炙干用）各等分，入木瓜少许，同煎
服，亦治虚渴法也。
《圣惠方》中的芦根散，用于治疗小儿持续高热不退。
药材组成：芦根、黄芩、人参、炙甘草、麦门冬、知母（各半两）。
制法与用法：将上述药材粗筛成散剂，每次服用一钱，用水一小盏，加入七片竹叶和一百粒粟米，煎煮至剩余五分水量，滤去药渣，不分时候温服，根据患儿年龄大小酌情增减剂量。
《婴孺书》中的麦门冬汤，用于治疗小儿在夏季服用峻下药导致剧烈腹泻后，胃中产生虚热，口渴想喝水的症状。
药材组成：麦门冬、甘草、龙骨（各四分），枳实、黄芩、茯苓、人参（各三分）。
制法与用法：用水四升，煎煮取汁一升半，分三次服用。服用此汤后若口渴未缓解，可用水芹煮浓汁饮用，间隔服用此汤时同时饮用，病情严重者，可随意多服。
芦根饮子，用于治疗小儿高热，伴有口渴且呕吐不止的症状。
药材组成：生芦根（切碎，五合）、淡竹青皮、人参（各八分），桔梗（五分），知母（十分），粟米（三合）。
制法与用法：用水五升，煎煮取汁一升半，根据患儿年龄大小给予服用。
栝蒌汤，用于治疗小儿因热致渴，或在呕吐、腹泻后出现的虚热口渴症状。
药材组成：栝蒌（五分），黄芩（三分），知母、芦根（各二分），生米（二合），麦门冬（三合）。
制法与用法：将药材切碎，用水五升，煎煮取汁二升，像喝浆水一样分次服用。
钱乙的白术散
药材组成：人参（切去头部）、白术、木香、白茯苓（去皮）、甘草（锉碎，炒制）、藿香叶（各一两），干葛（二两，锉碎）。
制法与用法：制成粗末，每次服用一钱至二钱，用水一盏，煎煮至剩余五分水量温服。如果患儿想喝水，可以多煎些给其饮用，不限时间。
张元素（海藏）说，治疗口渴可用四君子汤加入干葛、枇杷叶（先用枣汤煮过，再炙干使用）各等分，再加入少许木瓜，一同煎服，这也是治疗虚性口渴的方法。
The Lugen San (Reed Rhizome Powder) from *Shenghui Fang* is used to treat persistent high fever in children.
Ingredients: Radix Imperatae (Lugen), Radix Scutellariae (Huangqin), Radix Ginseng (Renshen), Radix Glycyrrhizae Preparata (Zhi Gancao), Tuber Ophiopogonis (Maimendong), Radix Anemarrhenae (Zhimu) (each 0.5 liang).
Preparation and Administration: Coarsely sieve the above ingredients into a powder. Take one qian per dose, with one small cup of water, add seven leaves of Bambusa vulgaris var. viridis (Zhuye) and one hundred grains of Setaria italica (Sumi), decoct until five parts remain, remove the dregs, and take warm at any time. Adjust the dosage according to the child's age and size.
The Maimendong Tang (Ophiopogon Decoction) from *Yingru Shu* is used to treat empty heat in the stomach and thirst with desire to drink water after children have taken strong purgatives during summer causing severe diarrhea.
Ingredients: Tuber Ophiopogonis (Maimendong), Radix Glycyrrhizae (Gancao), Os Draconis (Longgu) (each 4 fen), Fructus Aurantii Immaturus (Zhishi), Radix Scutellariae (Huangqin), Poria (Fuling), Radix Ginseng (Renshen) (each 3 fen).
Preparation and Administration: Decoct with four sheng of water to obtain one and a half sheng of liquid, divided into three doses. If thirst persists after taking this decoction, boil dense juice of Oenanthe javanica (Shuiqin) with water and drink it. Administer between doses of the decoction; for severe cases, allow free consumption.
Lugen Yinzi (Reed Rhizome Drink) is used to treat high fever in children accompanied by persistent thirst and vomiting.
Ingredients: Fresh Radix Imperatae (Qie, 5 he), Cortex Phyllostachidis Viridis (Danzhuqingpi), Radix Ginseng (Renshen) (each 8 fen), Radix Platycodi (Jiegeng) (5 fen), Radix Anemarrhenae (Zhimu) (10 fen), Semen Setariae Italicae (Sumi) (3 he).
Preparation and Administration: Decoct with five sheng of water to obtain one and a half sheng of liquid. Administer according to the child's age and size.
Gualou Tang (Trichosanthes Decoction) is used to treat thirst due to heat in children, or empty heat and thirst following vomiting and diarrhea.
Ingredients: Fructus Trichosanthis (Gualou) (5 fen), Radix Scutellariae (Huangqin) (3 fen), Radix Anemarrhenae (Zhimu), Rhizoma Imperatae (Lugen) (each 2 fen), Raw Rice (Shengmi) (2 he), Tuber Ophiopogonis (Maimendong) (3 he).
Preparation and Administration: Cut the ingredients, decoct with five sheng of water to obtain two sheng of liquid. Take like drinking thin gruel or water.
Bai Zhu San (Atractylodes Macrocephala Powder) by Qian Yi.
Ingredients: Radix Ginseng (cut off head), Rhizoma Atractylodis Macrocephalae (Baizhu), Lignum Aucklandiae (Muxiang), Poria (Baifuling, peeled), Radix Glycyrrhizae (Cuo, fried), Folium Viticis Negundo (Huoxiangye) (each 1 liang), Radix Puerariae Lobatae (Gange) (2 liang, cut).
Preparation and Administration: Make into coarse powder. Take one to two qian per dose, decoct with one cup of water until five parts remain, and take warm. If the child desires water, provide more decocted liquid, without restriction on time.
Zhang Yuansu (Haicang) stated that to treat thirst, Si Jun Zi Tang (Four Gentlemen Decoction) can be modified by adding Radix Puerariae Lobatae (Gange) and Folium Eriobotryae (Pipaye) (first boiled in jujube soup, then dried by roasting) in equal amounts, along with a small amount of Fructus Chaenomelis (Mugua), decocted together and taken. This is also a method for treating empty thirst.