夫小儿吐血者。是热气盛。而虚热乘于血。血性得热。则流散妄行。若气逆。即随气上。
故
治小儿四五岁以上。非时吐血。犀角散方。
犀角屑 栀子仁 生干地黄 子芩 紫参 刺蓟（各一分）
上件药。捣粗罗为散。每服一钱。以水一小盏。煎至五分。去滓。不计时候。温服。量
儿大
治小儿吐血不止。蒲黄散方。
蒲黄（一分） 伏龙肝（半两） 乱发灰（一分）
上件药。同研令匀细。不计时候。暖生地黄汁。调下半钱。量儿大小。加减服之。
治小儿吐血。心躁烦闷。茜根散方。
茜根（半两） 犀角屑 川升麻 川大黄（锉微炒） 黄芩 甘草（炙微赤锉以上各一
分）
上件药。捣粗罗为散。每服一钱。以水一小盏。入黑豆三十粒。淡竹茹半分。煎至六分。
去
又方。
刺蓟（自然汁不限多少）
上件药。取汁一合。暖令温。不计时候。调下玄明粉半钱。量儿大小。以意加减。
又方。
黄连（一分去须）
上件药。捣粗罗为散。每服一钱。以水一小盏。入豉二十粒。煎取五分。去滓。不计时
候。
又方。
上取蛇蜕皮。烧灰细研。不计时候。以乳汁调下一字。随儿大小。加减服之。
又方。
上取生地黄汁一合。暖令温。调下面尘半钱。不计时候。量儿大小。以意加减。服之。
又方。
上以乱发。烧灰细研。每服。以温水调下一字。
Hematemesis in children is caused by excessive heat and deficiency-heat invading the blood. Blood, when exposed to heat, flows erratically and acts recklessly; if accompanied by rebellious Qi, it ascends with the Qi.
Therefore, for children aged four or above presenting with hematemesis occurring at non-normal times, use the Rhinoceros Horn Powder (Xijiao San) prescription.
Ingredients: Rhinoceros Horn Chips (Xi Jiao Xie), Gardenia Kernel (Zi Zi Ren), Dried Rehmannia Root (Sheng Gan Di Huang), Scutellaria Root (Zi Qin), Purple Ginseng (Zi Shen), and Cuscuta Thorn (Ci Ji) (each 1 fen).
Preparation and Administration: Pound the above ingredients into a coarse powder. Take 1 qian per dose, add one small cup of water, boil until reduced to half a cup, strain, and take warm at any time. Adjust dosage according to the child's age.
For treating persistent hematemesis in children, use the Polygonum Multiflorum Seed Powder (Puhuang San) prescription.
Ingredients: Polygonum Multiflorum Seed (Puhuang) (1 fen), Longtan Earth (Fulonggan) (0.5 liang), Ash of Tangled Hair (Luantai Hui) (1 fen).
Preparation and Administration: Grind the above ingredients together into a fine, uniform powder. Take half a qian per dose, mixed with warm juice of fresh Rehmannia Root, at any time. Adjust dosage according to the child's age.
For treating hematemesis in children accompanied by cardiac irritability and chest oppression, use the Rubia Root Powder (Qiangen San) prescription.
Ingredients: Rubia Root (Qian Cao Gen) (0.5 liang), Rhinoceros Horn Chips (Xi Jiao Xie), Cimicifuga Rhizome (Chuan Shengma), Rheum Palmatum Rhizome (Chuan Da Huang) (coarsely chopped and lightly stir-fried), Scutellaria Root (Huang Qin), and Licorice Root (Gan Cao) (roasted until slightly red and coarsely chopped; each of the latter five ingredients is 1 fen).
Preparation and Administration: Pound the above ingredients into a coarse powder. Take 1 qian per dose, add one small cup of water, thirty black soybeans, and half a fen of Bamboo Shavings (Dan Zhu Ru). Boil until reduced to six-tenths of a cup, then strain.
Another prescription.
Ingredients: Juice of Cuscuta Thorn (Ci Ji) (natural juice, amount unlimited).
Preparation and Administration: Obtain one he of the juice, warm it, and mix with half a qian of Mirabilite (Xuanming Fen) at any time. Adjust dosage according to the child's age.
Another prescription.
Ingredients: Coptis Rhizome (Huang Lian) (1 fen, remove roots).
Preparation and Administration: Pound into a coarse powder. Take 1 qian per dose, add one small cup of water and twenty grains of Fermented Soybean (Chi), boil until reduced to five-tenths of a cup, and strain. Take at any time.
Another prescription.
Ingredients: Snake Slough (She Tui Pi).
Preparation and Administration: Burn the snake slough to ash and grind finely. Take one "zi" (a very small measure) mixed with milk at any time. Adjust dosage according to the child's age.
Another prescription.
Ingredients: Fresh Rehmannia Root Juice (Sheng Di Huang Zhi) and Flour Dust (Mian Chen).
Preparation and Administration: Take one he of fresh Rehmannia Root Juice, warm it, and mix with half a qian of flour dust. Take at any time. Adjust dosage according to the child's age.
Another prescription.
Ingredients: Tangled Hair (Luan Fa).
Preparation and Administration: Burn the tangled hair to ash and grind finely. Take one "zi" mixed with warm water per dose.