辛，平，无毒。入手太阴、足厥阴经。消风散热，清头利目。解瘾疹瘰 ，疮疥惊热；
利咽
膈口齿，痰嗽瘙痒。含漱去舌苔语涩， 叶塞鼻衄蛇伤。治中风之失音，祛心腹之膨胀。破
血止痢亦疗，消食下气尤良。
处处有之，人家多栽莳之。二月宿根生苗，清明前后分之，方茎赤色，其叶对生，初莳
形长
产者良。
血痢不止，薄荷叶煎，常服。（验方第一。）
入水耳中，取浓汁滴入立效。（第二。）
清热化痰，蜜丸豆大，含之。（第三。）
皮肤瘙痒，同蝉蜕末酒下。（第四。）
眼弦赤烂，以姜汁浸一宿，晒干为末，沸汤泡洗。（第五。）
舌苔语蹇取汁合蜜、姜搽之。（第六。）
唇疮一切为细末，香油合敷。（第七。）
即水苏也。一名鸡苏。
辛，平，无毒。理气散热，平肺下气，消谷辟恶，清利头目。疗一切血症，吐衄咳唾之
疾、
淋痢崩带之 。
处处有之，多生水边。三月生苗，方茎中虚，叶似紫苏而微长，背面不紫，密齿面皱，
色青
，对节生。气甚辛烈。六七月开花成穗，如苏穗，水红色，穗中有细子，状如荆芥子，可种
，宿根亦自出。
一切吐衄咳唾血，或汤或末。（验方第一。）
香发，煎汁沐之。（第二。）
头生白屑。同上。（第三。）
中诸鱼毒，煎汁饮之。（第四。）
蛇虺毒，酒末下，并敷之。（第五。）
龙脑鸡苏丸 水苏（一斤） 生地（六两） 黄芩 蒲黄 麦冬 阿胶 台参 木
通柴胡（各
二两） 甘草 黄连（各一两）
炼蜜丸。治上焦热，除烦解劳，一切吐衄咳唾诸血，并治五淋血崩。（诸方第一。）
[Menthae Haplocalycis Caulis et Folium]
Pungent, neutral, non-toxic. Enters the Hand-Taiyin Lung Meridian and Foot-Jueyin Liver Meridian. Disperses wind-heat, clears the head and benefits the eyes. Resolves urticaria (sudden onset of red papules on skin with intense itching), scrofula (tuberculous lymphadenitis of the neck), sores and scabies, and fright-heat; unblocks the throat, chest diaphragm, and teeth/mouth; treats phlegm-cough and pruritus. Gargling removes tongue coating and alleviates dysarthria; stuffing leaves into the nostrils stops epistaxis and treats snakebites. Treats aphonia due to stroke; dispels distension in the heart and abdomen. Breaks blood stasis and stops dysentery; promotes digestion and directs rebellious Qi downward is particularly effective.
It grows everywhere, and households often cultivate it. In February, perennial roots sprout seedlings; they are divided and transplanted around Qingming Festival. The stem is square and reddish; leaves are opposite. Those newly transplanted with elongated shapes are considered superior.
For unremitting bloody dysentery, decoct Menthae Haplocalycis Folium and take frequently. (Verified Formula 1.)
If water enters the ear, extract thick juice and drip in for immediate effect. (2.)
To clear heat and resolve phlegm, make honey pills the size of beans and hold in mouth. (3.)
For cutaneous pruritus, mix with powder of Cicada Slough and swallow with wine. (4.)
For erythema and ulceration of the eyelid margin, soak in ginger juice overnight, dry, powder, and wash with boiling water infusion. (5.)
For thick tongue coating and dysarthria, extract juice, mix with honey and ginger, and apply externally. (6.)
For all types of lip sores, powder finely, mix with sesame oil, and apply topically. (7.)
[Longnao Bohe / Pogostemonis Herba]
This is Pogostemonis Herba (Water Mint). Also known as Jisu.
Pungent, neutral, non-toxic. Regulates Qi and disperses heat, calms Lung Qi and directs it downward, aids digestion and repels malignancy, clears the head and benefits the eyes. Treats all hemorrhagic diseases, including hematemesis, epistaxis, and hemoptysis; also treats strangury, dysentery, metrorrhagia, and leukorrhea.
Grows everywhere, mostly near water. Seedlings emerge in March. The stem is square and hollow inside; leaves resemble Perillae Folium but are slightly longer; both surfaces are not purplish; margins have dense serrations and a wrinkled surface; color is green; leaves grow oppositely at nodes. The odor is very pungent and strong. Flowers form spikes in June and July, resembling Perilla spikes, water-red in color; spikes contain fine seeds resembling Schizonepetae Spica seeds, which can be planted; perennial roots also sprout spontaneously.
For all types of hematemesis, epistaxis, and hemoptysis, either decoct or use powder. (Verified Formula 1.)
To make hair fragrant, decoct and wash hair. (2.)
For white dandruff on the head. Same method as above. (3.)
For poisoning from various fish, decoct and drink. (4.)
For venomous snakebite, take powder with wine and apply topically. (5.)
[Longnao Jisu Wan]
Ingredients: Pogostemonis Herba (1 jin), Shengdi Huang (6 liang), Huangqin, Puhuang, Maidong, Ejiao, Taishen, Mutong, Chaihu (each 2 liang), Gancao, Huanglian (each 1 liang).
Made into pills with refined honey. Treats upper jiao heat excess, relieves irritability and fatigue, all types of bleeding such as hematemesis, epistaxis, and hemoptysis; also treats five types of strangury and metrorrhagia. (Formulas 1.)