主治泻火解毒。消痰。去热。咳逆上气。降实火。利大肠咽喉肿痛。尤为要药。射
。射干炙草杏仁（麸炒微黄）各五钱。升麻大黄（微炒）木鳖子各二钱五分。研末蜜丸小弹
子大
。每
胡
后温服。日三次。治瘰 寒热。射干麻黄汤。射干细辛紫菀款冬花各三两。麻黄生姜各四
五味子半夏各五合。大枣七枚。水一斗二升。先煎麻黄两沸。去上沫。纳诸药煮取三升
温三服。治水饮伤肺。咳而上气。喉中水鸡声。射干汤。射干犀角升麻玄参黄芩麦冬
一两。山栀子五钱。 咀。每服五钱。加竹叶芒硝各一钱。水煎服。以利为度。治痈疽发背
诸疮肿痛。脉洪实数者。又方。射干（酒洗）栀子仁（姜汁炒黑）赤茯苓升麻各一两。赤芍
一两
五钱。白术五钱。研粗末。每服五钱。水二钟煎至一钟。去滓入地黄汁一合。白蜜五勺。再
煎。不拘时温服。治胃脘痈。日晡发热。每服加犀角丹皮各一钱。甘草二分。
主治。咳逆上气。喘急。寒痰水饮。咽肿。牙痛。心腹胀满。四肢挛急恶疮痈疽。芫花
丸。芫花（醋炒）一两。牛膝野狼牙根桔梗（炒黄）藜芦（炒）槟榔各一两五钱。巴豆（炒黑）
十粒研
末。醋煮米糊和丸赤豆大。每服二三丸。加至五七丸。食前生姜汤下。治饮癖酒瘕。常服化
痰消坚杀虫。芫花散。芫花（醋炒）吴茱萸秦艽白僵蚕柴胡川乌巴戟研末。温酒调下。治妇
人
鬼胎。形如抱瓮。
凝雪汤。芫花一斤。水三升煎取一升半。渍故布上薄胸间。不过再三。薄热则除。治天
行毒病七八日热积胸中烦乱欲死。芫根膏。芫根一两。黑豆三合。猪牙皂角五梃。醋一斗。
先浸釜中三日。以火煎二升去滓。再入铛中煎至一升。加白矾（ 细研）三两搅匀。去火成
膏。
摊帛贴。日二易。治鱼脐疔。
【射干】
主治：泻火解毒。消除痰饮。清除热邪。治疗气逆上冲引起的咳嗽。降低实火。缓解大肠和咽喉的肿痛。是治疗此类病症的重要药物。
方剂一：射干炙甘草杏仁（麸炒至微黄）各五钱，升麻、大黄（微炒）、木鳖子各二钱五分。研成细末，用蜂蜜制成如小弹丸大小的药丸。每次在饭后温服，每日三次。用于治疗瘰疬（颈部淋巴结结核），伴有寒热症状。
方剂二：射干麻黄汤。由射干、细辛、紫菀、款冬花各三两，麻黄、生姜各四两，五味子、半夏各五合，大枣七枚组成。用水一斗二升，先煎煮麻黄，待沸腾两次后，撇去浮沫，再加入其他药物，煎取三升药液。分三次温服。用于治疗水饮损伤肺脏，导致咳嗽且气逆上冲，喉咙中发出像水鸡叫一样的声音。
方剂三：射干汤。由射干、犀角、升麻、玄参、黄芩、麦冬各一两，山栀子五钱组成。将药材切碎（咀）。每次服用五钱，加入竹叶、芒硝各一钱，用水煎服。以大便通畅为度。用于治疗痈疽发背以及各类疮疡引起的肿痛，脉象洪大、坚实且数者。
又一方：射干（酒洗）、栀子仁（姜汁炒黑）、赤茯苓、升麻各一两，赤芍一两五钱，白术五钱。研成粗末。每次服用五钱，用水两钟煎煮至一钟，滤去药渣，加入地黄汁一合、白蜜五勺，再煎煮片刻。不拘时间温服。用于治疗胃脘部的痈肿。若患者日晡时（下午3-5点）发热，每服加犀角、丹皮各一钱，甘草二分。
【芫花】
主治：咳嗽气逆上冲，喘息急促，寒痰水饮，咽喉肿痛，牙痛，心腹胀满，四肢痉挛拘急，恶疮痈疽。
方剂一：芫花丸。由芫花（醋炒）一两，牛膝、野狼牙根、桔梗（炒黄）、藜芦（炒）、槟榔各一两五钱，巴豆（炒黑）十粒组成。研成细末，用醋煮米糊调和，制成如赤豆大小的药丸。每次服用二三丸，逐渐增加至五到七丸。饭前用生姜汤送服。用于治疗饮癖、酒瘕（因饮酒或水饮停滞形成的积块）。常服可化痰、消散坚积、杀虫。
方剂二：芫花散。由芫花（醋炒）、吴茱萸、秦艽、白僵蚕、柴胡、川乌、巴戟天组成。研成细末。用温酒调服。用于治疗妇女鬼胎（指腹部出现类似怀孕的肿块，但并非真孕，形如抱瓮）。
方剂三：凝雪汤。由芫花一斤，水三升，煎取一升半。将药液浸透旧布，敷于胸部。不超过两三次，若感到温热则去除。用于治疗天行毒病（流行性传染病）七八日，热邪积聚在胸中，导致烦躁混乱，痛苦欲死。
方剂四：芫根膏。由芫花根一两，黑豆三合，猪牙皂角五梃，醋一斗组成。先将药材浸泡在釜中三天，用火煎煮至二升，滤去药渣。再将药液倒入铛中煎煮至一升，加入细研的白矾三两，搅拌均匀，离火后成为膏状。摊涂在帛布上贴敷。每日更换两次。用于治疗鱼脐疔（一种形状像鱼肚脐的疔疮）。
[Shé Gān (Belamcanda Rhizome)]
Indications: Clears fire and resolves toxicity. Eliminates phlegm. Removes heat. Treats cough with rebellious Qi ascending. Reduces excess fire. Relieves swelling and pain in the large intestine and throat. It is a crucial herb for these conditions.
Formula 1: She Gan Zhi Gan Cao Xing Ren Wan (Belamcanda, Prepared Licorice, and Apricot Seed Pill). Contains Belamcanda Rhizome (Shé Gān), Prepared Licorice Root (Zhì Gān Cǎo), and Apricot Seed (Xìng Rén) stir-fried with bran until slightly yellow, each 5 qian; Sheng Ma (Cimicifugae Rhizoma), Da Huang (Rhei Radix et Rhizoma) slightly stir-fried, and Mu Bie Zi (Strychni Semen), each 2.5 qian. Grind into fine powder, mix with honey, and form pills the size of small marbles. Take warm after meals, three times daily. Indicated for Luoli (scrofula/lymph node tuberculosis) accompanied by alternating chills and fever.
Formula 2: She Gan Ma Huang Tang (Belamcanda and Ephedra Decoction). Composed of Belamcanda Rhizome (Shé Gān), Asarum (Xī Xīn), Aster Tataricus Root (Zǐ Wǎn), and Winter Flower (Kuǎn Dōng Huā), each 3 liang; Ephedra Stem (Má Huáng) and Fresh Ginger (Shēng Jiāng), each 4 liang; Schisandra Fruit (Wǔ Wèi Zǐ) and Pinellia Tuber (Bàn Xià), each 5 he; Jujube (Dà Zǎo) 7 pieces. Use 1 dou 2 sheng of water. First, boil Ephedra for two boils, skim off the foam on the surface, then add the remaining herbs. Decoct to obtain 3 sheng of liquid. Divide into three doses and take warm. Indicated for water-fluid retention injuring the Lung, causing cough with rebellious Qi ascending and a sound in the throat resembling that of a water chicken.
Formula 3: She Gan Tang (Belamcanda Decoction). Composed of Belamcanda Rhizome (Shé Gān), Rhino Horn (Xī Jiǎo), Cimicifuga Rhizome (Shēng Mǎ), Scrophularia Root (Xuán Shēn), Scutellaria Root (Huáng Qín), and Ophiopogon Tuber (Mài Dōng), each 1 liang; Gardenia Fruit (Shān Zhī Zi) 5 qian. Cut the herbs into coarse pieces. Take 5 qian per dose, add Bamboo Leaves (Zhú Yè) and Mirabilite (Máng Xiāo), each 1 qian, and decoct with water. Stop when bowel movement is achieved. Indicated for carbuncles, back sores, and various swellings and pains from sores, where the pulse is surging, firm, and rapid.
Another Formula: Belamcanda Rhizome (Shé Gān) washed with wine, Gardenia Fruit (Zhī Zi Rén) stir-fried with ginger juice until black, Red Poria (Chì Fú Líng), and Cimicifuga Rhizome (Shēng Mǎ), each 1 liang; Red Peony Root (Chì Sháo Yào) 1.5 liang; Atractylodes Macrocephala Rhizome (Bái Zhú) 5 qian. Grind into coarse powder. Take 5 qian per dose, decoct with 2 zhong of water until 1 zhong remains. Strain, add Rehmannia Juice (Dì Huáng Zhī) 1 he and White Honey (Bái Mì) 5 spoons, and decoct again. Take warm at any time. Indicated for abscesses in the epigastrium. If there is fever during the Ding hour (3-5 PM), add Rhinoceros Horn (Xī Jiǎo) and Moutan Cortex (Dān Pí), each 1 qian, and Licorice Root (Gān Cǎo) 2 fen.
[Yuán Huā (Genkwa Flower)]
Indications: Cough with rebellious Qi ascending, wheezing and urgency, cold-phlegm and water-fluid retention, sore throat, toothache, abdominal distension and fullness, spasms and cramping of the four limbs, malignant sores, and carbuncles.
Formula 1: Yuán Huā Wán (Genkwa Pill). Composed of Genkwa Flower (Yuán Huā) vinegar-stir-fried, 1 liang; Achyranthes Root (Niú Xī), Wild Wolf's Tooth Root (Yě Láng Yá Gēn), Platycodon Root (Jié Gěng) stir-fried until yellow, Veratrum Rhizome (Lí Lú) stir-fried, and Areca Seed (Bīng Láng), each 1.5 liang; Croton Seed (Bā Dòu) stir-fried until black, 10 seeds. Grind into fine powder, mix with rice paste boiled in vinegar, and form pills the size of red beans. Take 2-3 pills initially, increasing to 5-7 pills. Take before meals with Ginger Decoction. Indicated for Yin Pi (fluid accumulation) and Jiu Xia (alcohol-induced masses). Regular use can resolve phlegm, dissipate hardness, and kill parasites.
Formula 2: Yuán Huā Sǎn (Genkwa Powder). Composed of Genkwa Flower (Yuán Huā) vinegar-stir-fried, Evodia Fruit (Wú Zhū Yú), Gentian Root (Qín Jiāo), White Stiff Silkworm (Bái Jiāng Cán), Bupleurum Root (Chái Hú), Aconite Root (Chuān Wū), and Morinda Root (Bā Jǐ), ground into powder. Mix with warm wine and take. Indicated for "Ghost Pregnancy" in women, where the abdomen swells like a pot held in arms.
Formula 3: Níng Xuě Tāng (Snow-Freezing Decoction). Composed of 1 jin of Genkwa Flower and 3 sheng of water, decocted to 1.5 sheng. Soak an old cloth in the liquid and apply thinly to the chest. Do not exceed two or three applications; remove if it feels hot. Indicated for epidemic toxic diseases lasting 7-8 days, where heat accumulates in the chest causing severe restlessness and distress.
Formula 4: Yuán Gēn Gāo (Genkwa Root Paste). Composed of Genkwa Root 1 liang, Black Soybean 3 he, Chinese Tamarisk Pod (Zhū Yá Zào Jiǎo) 5 stalks, and Vinegar 1 dou. Soak in a cauldron for three days first. Boil with fire to reduce to 2 sheng, strain. Decoct again in a pan to 1 sheng. Add finely ground Alum (Bái Fán) 3 liang, stir evenly, remove from fire to form a paste. Spread on silk cloth and apply as a patch. Change twice daily. Indicated for Yu Qi Ding (fish-belly nodule/boil).