夫蛔虫者。是九虫内一虫也。长一尺。亦有长五寸。或因腑脏虚弱而动。或因甘肥而动
。则
脉。
治蛔虫攻心。吐如醋水。痛不能止。宜服贯众散方。
贯众（一两） 鹤虱（一两纸上微炒） 野狼牙（一两） 麝香（一钱细研） 芜荑仁（一
两） 龙
胆（一两去芦头）
上件药。捣细罗为散。每于食前。以淡醋汤调下二钱。
治蛔虫。或攻心。吐清水。宜服野狼牙散方。
野狼牙（一两） 芜荑仁〔二（一）两〕
上件药。捣细罗为散。每服药。空心先吃少淡羊肉干脯。即以温酒调散二钱服之。不过
三四服永瘥。
又方。
绿豆（一升水三升煮取汁一升） 大麻子（一升水研取汁半升）
上以麻子豆汁各半盏。暖令温。虫正发时。先炙淡羊肉脯令熟。嚼含咽汁。三五咽即服
之。须臾或吐或利。其虫当自出。如未尽。再服。
又方。
酸石榴根东引者（锉三合） 槟榔（一两半）
上件药细锉 分为二服。每服。以水二大盏。煎至一大盏二分。去滓。空腹分温二服。
虫当自下。
治蛔虫在胃中。渐渐羸瘦方。
淳酒（一中盏） 白蜜（一合） 好漆（一两）
上件药相和。于铫子内。以慢火熬。令可丸即丸。如樱桃大。每服一丸。温酒中化破。
夜勿食。旦服之。良久即虫下。未下即更服。
治蛔虫攻心。腹痛方。
薏苡仁根〔一（二）两锉〕
上以水二大盏。煎取一盏。去滓。于空腹时顿服之。
治蛔虫。或攻心如刺。口中吐清水者方。
龙胆（一两去芦头锉）
上以水二大盏。煮取一盏。去滓。隔宿不食。平旦顿服之。
又方。
石榴根（半斤锉净洗）
上以水三大盏。煎至一盏半。去滓空腹。分温三服。
治蛔虫咬心楚痛。宛转欲死方。
上浓捣地黄汁。和面煮作冷淘。不用着盐醋。尽意食之。如一顿虫不出。即再食。
治蛔虫日夜咬人。腹内痛不可忍方。
苦楝树白皮（二斤去粗者锉）
上以水一斗。煎至三升。去滓。于银器内。以慢火熬成膏。每日于五更初。以温酒调下
半匙。以虫下为度。
Roundworms (Ascaris lumbricoides) are one of the nine types of parasites. They may be one chi long, or five cun long. Their activity may be triggered by deficiency and weakness of the fu and zang organs, or by the consumption of sweet and fatty foods.
For symptoms where roundworms attack the heart, causing vomiting of sour fluid resembling vinegar water, and unceasing pain, it is appropriate to take Guan Zhong San (Cibotium Powder).
Guanzhong (Cyati Rhizoma, Cibotii Rhizoma et Stipitum) (1 liang) Heshi (Nartheci Radix, Narthecii Radix) (1 liang, lightly stir-fried on paper) Yelangya (Sanguisorbae Radix, Sanguisorbae Officinalis Radix) (1 liang) Shexiang (Moschus) (1 qian, finely ground) Wuyiren (Trogopterori Fructus, Trogopterori Excrementum) (1 liang) Longdan (Gentianae Radix et Rhizoma, Gentianae Scabrae Radix et Rhizoma) (1 liang, remove the rhizome head)
The above medicines are pounded into a fine powder through a silk sieve. Before meals, mix 2 qian with light vinegar water and take orally.
For roundworms that occasionally attack the heart and cause vomiting of clear water, it is appropriate to take Yelangya San (Sanguisorba Powder).
Yelangya (Sanguisorbae Radix, Sanguisorbae Officinalis Radix) (1 liang) Wuyiren (Trogopterori Fructus, Trogopterori Excrementum) (2 liang; variant reading: 1 liang)
The above medicines are pounded into a fine powder through a silk sieve. For each dose, first consume a small amount of plain dried mutton jerky while fasting, then mix 2 qian of the powder with warm wine and take orally. The condition will be completely cured within three or four doses.
Another prescription.
Lvdou (Vigna radiata Seed, Mung Bean) (1 sheng, boiled with 3 sheng of water to obtain 1 sheng of juice) Damaizi (Cannabis Fructus, Hemp Seed) (1 sheng, ground with water to obtain half a sheng of juice)
Take half a zhan of hemp seed juice and half a zhan of bean juice respectively, and warm them. When the roundworm attack occurs, roast plain mutton jerky until cooked, chew and swallow it along with the juice. After swallowing three or five times, administer the medicine. Soon after, either vomiting or diarrhea will occur, and the worms should be expelled naturally. If not fully expelled, administer again.
Another prescription.
Suan Shiliugen Dongyin Zhe (Radix Punicae Granati, Pomegranate Root Bark, from eastward-growing branches) (3 he, chopped) Binglang (Arecae Semen, Betel Nut) (1.5 liang)
Finely chop the above medicines and divide into two doses. For each dose, use 2 large zhan of water, decoct until reduced to 1 large zhan plus 2 fen, strain off the dregs. Take warm in two divided doses on an empty stomach. The worms should descend and be expelled.
For roundworms residing in the stomach, leading to gradual emaciation and weakness.
Chunjiu (Pure Wine) (1 medium zhan) Baimi (White Honey) (1 he) Haoqi (Good Lacquer) (1 liang)
Mix the above medicines together. In a yin vessel, simmer over low heat until it can be formed into pills, sized like cherries. Take one pill per dose, dissolving it in warm wine. Do not eat at night; take it in the morning. After some time, the worms will descend. If not expelled, take again.
For roundworms attacking the heart, causing abdominal pain.
Yiyiren Gen (Radix Coicis, Job's Tears Root) (2 liang, chopped; variant reading: 1 liang)
Use 2 large zhan of water, decoct to obtain 1 zhan, strain off the dregs. Take all at once on an empty stomach.
For roundworms that occasionally attack the heart like thorns/stabbing, and cause vomiting of clear water.
Longdan (Gentianae Radix et Rhizoma, Gentianae Scabrae Radix et Rhizoma) (1 liang, remove rhizome head and chop)
Use 2 large zhan of water, decoct to obtain 1 zhan, strain off the dregs. Fast overnight, and take all at once at dawn.
Another prescription.
Shiliugen (Radix Punicae Granati, Pomegranate Root Bark) (0.5 jin, chopped clean and washed)
Use 3 large zhan of water, decoct until reduced to 1.5 zhan, strain off the dregs. Take warm in three divided doses on an empty stomach.
For roundworms biting the heart causing severe pain, with the patient rolling around as if dying.
Pound fresh Dihuang (Rehmanniae Radix, Rehmannia Root) thickly to extract juice. Mix with flour and boil to make cold noodles (leng tao). Do not add salt or vinegar. Eat as much as desired. If the worms do not come out after one meal, eat again.
For roundworms biting day and night, causing unbearable abdominal pain.
Kulian Shu Baipi (Celtis Sinensis Cortex, Chinese Hackberry Bark - specifically the white inner bark) (2 jin, remove coarse outer bark and chop)
Use 1 dou of water, decoct until reduced to 3 sheng, strain off the dregs. Simmer into a paste over low heat in a silver vessel. Every day at the beginning of the fifth watch (early morning), mix half a spoonful with warm wine and take orally. Continue until the worms are expelled.