净白芒硝，与莱菔同炼，再入甘草末和匀，则成粉矣。
退心热而明目，消肿毒而退烦。最破症积，善消宿滞。
火为使，恶苦参、苦菜，畏女菀、杏仁、竹叶。
苦，寒，无毒。消积散坚，除胀破血，退热止烦，利尿解渴。喉闭目赤，头痛牙痛。平
瘰
而疗疽，除霍乱而通淋。
生硝石诸卤地皆产之，而河北庆阳及蜀中尤多。秋冬间遍地生白，扫取煎炼而成。
头痛如死，为末吹鼻。（验方第一。）
心腹诸痛，同雄黄细末，点目止痛。（第二。）
腰腹诸痛。同上。（第三。）
赤目肿痛，为末点之。（第四。）
甘露丸 火硝 硫黄（各一两） 白矾 滑石（各半两） 飞面（四两）
水丸豆大，每新汲水下五十丸。治伏暑泄泻，肠风下血，酒毒下血。（诸方第一。）
水飞净，醋煮干，刮下用。畏一切酸。
咸，苦，辛，温，有毒。消宿食而破瘀，暖子宫而助阳。治膈噎症瘕，去目翳 肉。
出西戎。形如牙硝，光净者良。亦硝石之类，乃卤液所结，虏人采取淋炼而成。
甘，凉，无毒。消痰止嗽，清咽利膈；除热生津，退翳疗疮。消积块瘀肉，疗膈噎反胃。
口
生西南诸番。有黄白二种∶西者白如明矾，南者黄如桃胶，皆是炼结而成。可焊金银铜
铁诸
木舌肿大，为末，姜片蘸搽即消。（验方第一。）
咽肿痛，同牙硝、蜜合，含咽。（第二。）
血衄，水服一钱。（第三。）
饮酒不醉，先服二钱。（第四。）
饮食毒物，用四两，甘草四两，香油一斤，瓶内浸之，遇毒者服一盅。久浸尤良。（第
五。）
一切恶疮。同上。（第六。）
肉瘀突，同冰片少许，灯草点之。（第七。）
Take pure white Mirabilite (Mangxiao, 芒硝), refine it together with Raphani Fructus (Lai Fu Zi, 莱菔), then add powdered Glycyrrhizae Radix et Rhizoma (Gan Cao, 甘草) and mix evenly to form a powder.
It clears Heart heat to brighten the eyes, reduces swelling and toxicity, and alleviates irritability. It is most effective in breaking up masses and accumulations, and excels at resolving food stagnation.
Fire is used as an enabler; it is incompatible with Sophorae Flavescentis Radix (Kushen, 苦参) and Sonchus Oleraceus (Kucail, 苦菜); it fears Asteriscus Herba (Nüwan, 女菀), Armeniacae Semen Amarum (Xingren, 杏仁), and Bambusae Caulis Internodium (Zhuyeqian, 竹叶).
Bitter, cold, non-toxic. Resolves accumulation and dissipates hardness, removes distension and breaks blood stasis, clears heat and stops irritability, promotes urination and relieves thirst. Indicated for throat closure, redness of the eyes, headache, and toothache. Calms scrofula and treats carbuncles, relieves cholera-like symptoms, and unblocks strangury.
Natural Niter (Xiaoshi, 硝石) is produced in various saline lands, particularly abundant in Qingyang, Hebei, and Shu region. In autumn and winter, white frost appears everywhere on the ground; it is swept up, decocted, and refined.
For severe headache resembling death, grind into fine powder and insufflate into the nose. (Verified Formula No. 1.)
For various pains in the heart and abdomen, mix with fine powder of Realgar (Xionghuang, 雄黄) and apply to the eyes to stop pain. (No. 2.)
For various pains in the waist and abdomen. Same method as above. (No. 3.)
For red, swollen, and painful eyes, grind into powder and apply to the eyes. (No. 4.)
Ganlu Pill: Saltpeter (Huoxiao, 火硝) one tael, Sulfur (Huangliu, 硫黄) one tael, Alum (Baifan, 白矾) half tael, Talcum (Huashi, 滑石) half tael, sifted flour four taels.
Make water pills the size of soybeans. Take fifty pills each time with fresh drawn water. Treats latent summerheat diarrhea, intestinal wind bleeding, and alcohol-induced lower gastrointestinal bleeding. (General Formulas No. 1.)
Clean by water flotation method, boil dry with vinegar, scrape off for use. Averse to all acidic substances.
Salty, bitter, pungent, warm, toxic. Resolves food stagnation and breaks blood stasis, warms the uterus and assists Yang Qi. Treats dysphagia and abdominal masses, removes corneal opacity and pterygium.
Originates from the Western Regions. Shape resembles Halite (Yaxiao, 牙硝); those that are bright and clean are of good quality. It is also a type of Niter, formed by the crystallization of brine, collected and refined by nomadic people.
Sweet, cool, non-toxic. Resolves phlegm and stops cough, clears the throat and benefits the diaphragm; clears heat, generates fluids, removes corneal opacity, and treats sores. Eliminates mass formation and blood stasis, treats dysphagia and regurgitation.
Produced in the various tribal regions of the Southwest. There are two types: yellow and white. The western type is white like Alum, while the southern type is yellow like peach gum; both are formed by refining and crystallization. Can be used for welding gold, silver, copper, iron, and other metals.
For enlarged tongue (Wood Tongue), grind into powder, dip a slice of ginger in it, and rub the affected area until it subsides. (Verified Formula No. 1.)
For sore and swollen throat, mix with Halite (Yaxiao, 牙硝) and honey, hold in mouth and swallow. (No. 2.)
For epistaxis, take one qian dissolved in water. (No. 3.)
To prevent drunkenness from alcohol consumption, take two qian beforehand. (No. 4.)
For poisoning from food or substances, use four taels of this herb, four taels of Glycyrrhizae Radix et Rhizoma (Gan Cao, 甘草), and one jin of sesame oil. Soak them in a bottle. For those poisoned, drink one cup. Long-term soaking yields better results. (No. 5.)
For all kinds of malignant sores. Same method as above. (No. 6.)
For protruding flesh granulomas, mix with a small amount of Borneolum Syntheticum (Bingpian, 冰片) and apply using a rush pith stick. (No. 7.)