甘，寒，无毒。治天行之热狂，除产后之血胀。涂痈肿结热，疗烦闷消渴。
一切肿毒，捣敷之。（验方第一。）
赤游。同上。（第二。）
风热头痛。同上。（第三。）
天行热狂，捣汁服。（第四。）
消渴烦热。同上。（第五。）
血淋痛。同上。（第六。）
产后血胀。同上。（第七。）
疮口不合，取汁抹之。（第八。）
去根节。浓朴、白薇为使，恶辛夷、石苇。凡服麻黄，须避风一日。
辛，温，微苦，无毒。入足太阳膀胱，手太阴肺。解伤寒头痛身热，止咳嗽上气喘息，
去营
中之寒邪，泄卫中之风热。治风湿之身痛，疗寒湿之香港脚。理温疟而破症结，开毛孔而通九
窍，平疹痹而去麻木，消斑毒而退痰哮。目赤肿痛之疾，水肿风肿之 。有汗者勿用。
生晋地及河东，立秋采。郑州、鹿台、关中沙苑等处皆有之。梢端有黄花，结实如百合
瓣而
小。凡煎宜去上沫再煎。
常患吼喘，麻黄一钱，生军二钱，巴霜一钱，陈皮一钱五分，南星一钱五分，为丸豆大，
每
服三丸，水煎服。（验方第一。）
半夏麻黄丸 半夏 麻黄
丸服。治心下悸动，以伤寒邪未尽故也。（诸方第一。）
麻黄汤 麻黄 桂枝 炙草 杏仁
治伤寒身热头痛，恶寒无汗，身痛脉浮紧。（第二。）
大青龙汤 麻黄汤原方，加石膏 姜 枣
治发热头痛，恶寒无汗，身痛脉浮紧而烦躁者。（第三。）
小青龙汤 麻黄 桂枝 白芍 炙草 半夏 五味 细辛 干姜
治喘咳干呕，发热。（第四。）
麻杏石甘汤 麻黄 杏仁 石膏 炙草
治汗出而喘，身无大热。（第五。）
麻附细辛汤 麻黄 细辛 附子
治发热脉沉，少阴伤寒。（第六。）
麻黄升麻汤 麻黄 升麻 葳蕤 石膏 知母 天冬 当归 白芍 黄芩 白术
桂枝 茯
治咽不利，吐脓血，泻利不已者。（第七。）
麻杏薏甘汤 麻黄 杏仁 薏仁 甘草
治身痛寒热，日晡所剧者。（第八。）
越婢汤 麻黄 石膏 甘草 姜 枣
治浮肿身痛，脉浮，汗出恶风者。（第九。）
麻附甘草汤 麻黄 附子 甘草
治腰以下肿，脉沉小者。（第十。）
小续命汤 麻黄 防己 人参 黄芩 桂心 白芍 甘草 川芎 杏仁 防风
附子 生姜
治中风欲死，身体缓急，口目不正，舌强不言，诸风悉验。（十一。）
续命汤 麻黄 桂枝 当归 人参 石膏 干姜 炙草 川芎 杏仁
治中风口不能言，冒昧或拘急不转侧。又治咳逆上气，面目浮肿，不得卧。（十二。）
Taste: Sweet. Nature: Cold. Non-toxic. Treats mania caused by epidemic heat pathogens; resolves blood stasis and abdominal distension postpartum. Applied externally for carbuncles, swellings, and accumulated heat; internally treats irritability, thirst, and diabetes-like symptoms.
For all types of toxic swellings, crush and apply topically. (Verified Formula 1.)
Chi You Dan (Red Roaming [erysipelas]). Same method as above. (2.)
Headache due to wind-heat. Same method as above. (3.)
Mania from epidemic heat, crush and take the juice. (4.)
Thirst, irritability, and heat. Same method as above. (5.)
Painful strangury with blood. Same method as above. (6.)
Abdominal distension due to blood stasis postpartum. Same method as above. (7.)
For ulcers that fail to heal, take the juice and smear it on the wound. (8.)
Remove the root joints. Use Houpo (Magnolia Bark) and Baiwei (Cynanchum Atratum Root) as guiding herbs. Adverse with Xinyi (Magnolia Flower) and Shiwei (Pyrosia Leaf). When taking Mahuang, avoid wind for one day.
Taste: Pungent. Nature: Warm. Slightly bitter. Non-toxic. Enters the Foot-Taiyang Bladder Channel and Hand-Taiyin Lung Channel. Resolves headache and fever from cold damage (Shanghan); stops cough, rebellious Qi, wheezing, and panting.
Expels cold pathogens from the Ying (Nutritive) level; disperses wind-heat from the Wei (Defensive) level. Treats body pain due to wind-dampness; cures Hong Kong foot (gout/joint swelling) due to cold-dampness. Regulates warm malaria and breaks up masses; opens pores and unblocks the nine orifices; calms rash-related bi-syndrome and removes numbness; eliminates macular toxins and retreats phlegm-wheezing. For red, swollen, and painful eyes; for edema and wind-swelling. Contraindicated in patients with spontaneous sweating.
Grows in Jin region and Hedong area; harvested at Start of Autumn. Also found in Zhengzhou, Lutai, and Shawan in Guanzhong. The tips bear yellow flowers; fruits resemble lily scales but are smaller. When decocting, remove the foam on the surface first, then continue boiling.
For chronic throat asthma/wheezing: use Mahuang (Ephedrae Herba) 1 qian, Shengjun (Rhei Radix et Rhizoma raw) 2 qian, Bashuang (Crotonis Semen extract) 1 qian, Chenpi (Citri Reticulatae Pericarpium) 1.5 qian, and Nanting (Arisaematis Tuber) 1.5 qian. Make pills the size of beans. Take three pills per dose, decocted in water. (Verified Formula 1.)
Banxia Mahuang Wan (Pinellia and Ephedra Pill): Banxia (Pinelliae Tuber), Mahuang (Ephedrae Herba).
Take as pills. Treats palpitations in the epigastrium, caused by incomplete resolution of pathogenic factors from cold damage. (All Formulas 1.)
Mahuang Tang (Ephedra Decoction): Mahuang (Ephedrae Herba), Guizhi (Cinnamomi Ramulus), Zhi Cao (Prepared Licorice Root), Xingren (Prunus Seed).
Treats fever, headache, aversion to cold, absence of sweating, body pain, and floating-tight pulse from cold damage. (2.)
Da Qing Long Tang (Major Green Dragon Decoction): Original Mahuang Tang formula, plus Shigao (Gypsum Fibrosum), Shengjiang (Zingiberis Rhizoma Recens), and Dazao (Jujubae Fructus).
Treats fever, headache, aversion to cold, absence of sweating, body pain, floating-tight pulse, and restlessness. (3.)
Xiao Qing Long Tang (Minor Green Dragon Decoction): Mahuang (Ephedrae Herba), Guizhi (Cinnamomi Ramulus), Baishao (Paeoniae Radix Alba), Zhi Cao (Prepared Licorice Root), Banxia (Pinelliae Tuber), Wuwei Zi (Schisandrae Fructus), Xixin (Asari Radix et Rhizoma), Ganjiang (Zingiberis Rhizoma).
Treats wheezing, cough, dry retching, and fever. (4.)
Ma Xing Shi Gan Tang (Ephedra, Apricot Kernel, Gypsum, and Glycyrrhiza Decoction): Mahuang (Ephedrae Herba), Xingren (Prunus Seed), Shigao (Gypsum Fibrosum), Zhi Cao (Prepared Licorice Root).
Treats sweating with wheezing, and absence of high fever. (5.)
Ma Fu Xi Xin Tang (Ephedra, Aconite, and Asari Decoction): Mahuang (Ephedrae Herba), Xixin (Asari Radix et Rhizoma), Fuzi (Aconiti Lateralis Radix Praeparata).
Treats fever with deep pulse, Shaoyin cold damage. (6.)
Mahuang Shengma Tang (Ephedra and Cimicifugae Decoction): Mahuang (Ephedrae Herba), Shengma (Cimicifugae Rhizoma), Weirui (Polygonati Odorati Rhizoma), Shigao (Gypsum Fibrosum), Zhimu (Anemarrhenae Rhizoma), Tiandong (Asparagi Radix), Danggui (Angelicae Sinensis Radix), Baishao (Paeoniae Radix Alba), Huangqin (Scutellariae Radix), Baizhu (Atractylodis Macrocephalae Rhizoma), Guizhi (Cinnamomi Ramulus), Fuling (Poria).
Treats difficulty in swallowing, expectoration of pus and blood, and persistent diarrhea. (7.)
Ma Xing Yi Gan Tang (Ephedra, Apricot Kernel, Coix Seed, and Licorice Decoction): Mahuang (Ephedrae Herba), Xingren (Prunus Seed), Yiren (Coicis Semen), Gancao (Glycyrrhizae Radix et Rhizoma).
Treats body pain, alternating chills and fever, worsening in the late afternoon. (8.)
Yue Bi Tang (Crossing the Spider Decoction): Mahuang (Ephedrae Herba), Shigao (Gypsum Fibrosum), Gancao (Glycyrrhizae Radix et Rhizoma), Shengjiang (Zingiberis Rhizoma Recens), Dazao (Jujubae Fructus).
Treats edema, body pain, floating pulse, sweating, and aversion to wind. (9.)
Ma Fu Gan Cao Tang (Ephedra, Aconite, and Licorice Decoction): Mahuang (Ephedrae Herba), Fuzi (Aconiti Lateralis Radix Praeparata), Gancao (Glycyrrhizae Radix et Rhizoma).
Treats edema below the waist, with deep and small pulse. (10.)
Xiao Xu Ming Tang (Minor Continuation of Life Decoction): Mahuang (Ephedrae Herba), Fangji (Stephaniae Tetrandrae Radix), Renshen (Ginseng Radix), Huangqin (Scutellariae Radix), Guixin (Cinnamomi Cortex), Baishao (Paeoniae Radix Alba), Gancao (Glycyrrhizae Radix et Rhizoma), Chuanxiong (Ligustici Chuanxiong Rhizoma), Xingren (Prunus Seed), Fangfeng (Saposhnikoviae Radix), Fuzi (Aconiti Lateralis Radix Praeparata), Shengjiang (Zingiberis Rhizoma Recens).
Treats severe stroke, flaccid and rigid limbs, facial paralysis, stiff tongue with inability to speak; effective for various wind syndromes. (11.)
Xu Ming Tang (Continuation of Life Decoction): Mahuang (Ephedrae Herba), Guizhi (Cinnamomi Ramulus), Danggui (Angelicae Sinensis Radix), Renshen (Ginseng Radix), Shigao (Gypsum Fibrosum), Ganjiang (Zingiberis Rhizoma), Zhi Cao (Prepared Licorice Root), Chuanxiong (Ligustici Chuanxiong Rhizoma), Xingren (Prunus Seed).
Treats stroke with inability to speak, dizziness/confusion, or rigidity preventing turning over. Also treats rebellious Qi with coughing, facial edema, and inability to lie down. (12.)