What are the effects and uses of Lei Wan? A detailed guide in one article

Lei Wan, also known as Zhu Ling, Lei Shi, Zhu Ling Zhi, etc., is the dried sclerotium of the fungus Lei Wan of the genus Omphalia in the family Tricholomataceae. Used as medicine, it has the effects of killing parasites, resolving accumulation, and reducing tumors, and has therapeutic effects on tumors, taeniasis, hookworm disease, ascariasis, abdominal pain due to worm accumulation, and infantile malnutrition. Let us take a look below at the effects and uses of Lei Wan!
The medicinal effects of Lei Wan
[Nature and flavor] Slightly bitter in taste, cold in nature.
[Meridian entry] Stomach and large intestine meridians.
[Effects] Kills parasites, resolves accumulation, reduces tumors; mainly treats tumors, taeniasis, hookworm disease, ascariasis, abdominal pain due to worm accumulation, and infantile malnutrition.
Clinical applications of Lei Wan
1. Treating tapeworm: It has a certain therapeutic effect on both pork tapeworm and beef tapeworm; Lei Wan powder can be used.
2. Treating hookworm: Lei Wan used alone or combined with torreya seed kernel, areca seed, etc.
Medication suitability and contraindications for Lei Wan
1. "Bie Lu": Long-term use causes impotence. The red ones are fatal.
2. "Bencao Jing Jizhu": Lychee seed and magnolia bark serve as its guides. It is antagonistic to kudzu root.
3. "Yaoxing Lun": Antagonistic to (Bian) Xu and (Ge) Gen. Yuanhua serves as its guide.
4. "Yixue Rumen": Long-term use damages yin, the same for men and women.
5. "Bencao Huiyan": If worm disease and accumulation have persisted for a long time and the spleen and stomach are debilitated, it is also contraindicated.
Medicinal selected prescriptions for Lei Wan
1. Expelling tapeworm segments: Lei Wan alone, soaked in water until soft, peeled, cut, roasted dry and ground into powder. For each patient, at the start of the fifth watch, first eat a little roasted meat, then take one qianbi of the medicine, with half a qian mixed in thin gruel.
2. Treating three kinds of worms: Lei Wan (roasted) one liang, Qiongxiong one liang. Grind the above two ingredients into a fine powder. Take one qianbi per dose, mixed with millet gruel on an empty stomach; take one dose each at midday and toward evening.
3. Resolving malnutrition and killing parasites: Lei Wan, Shi Jun Zi (roasted, shelled), He Shi, torreya seed kernel, and areca seed in equal parts. Grind the above medicines into a fine powder. Take one qian per dose, mixed with warm rice water, before milk feeding.
4. Treating wind epilepsy in children, with twitching and upward staring of the eyes, severe cases occurring dozens of times a day: Lei Wan and Mang Cao each the size of a chicken egg yolk, and one jin of lard. First fry the lard and remove the residue, add the medicines, fry over a gentle fire for seven boils, remove the residue, and rub it on each painful area. If the child cannot tell where the pain is, first rub the abdomen and back, then rub the remaining areas fifty times. Do not let it near the genitals or eyes. For a one-year-old, wrap the ointment in cloth and mildly warm the body with it. It also treats malignant wind in adults.
5. Treating cold and heat in children, with frightful crying and restlessness: Lei Wan three fen, oyster shell three fen, skullcap three fen, asarum three fen, cnidium fruit one liang. Grind the above with one dou of water, decoct to obtain seven sheng, remove the residue, divide into two portions, and use according to warmth or coolness. First wash the child's head, do not let water enter the ears or eyes; next wash the back and shoulders; then wash below the waist. After bathing, avoid wind and dust with powder.
6. Treating young children with heat and no sweating: Lei Wan four liang, powder half a jin. Pound together, mix and sift, and apply the powder to the child's body.
7. Treating wind itch, skin hidden rash, and pain: Lei Wan, ginseng, sophora root, achyranthes root (moistened, soaked, cut, roasted), white aconite (roasted), saposhnikovia (remove forks), white-banded snake (moistened, soaked, skin and bones removed, roasted), and licorice (roasted, chopped) each two liang, and salvia root one and a half liang. Grind the above nine ingredients into a powder. Take two qianbi per dose, mixed with warm wine before meals.
8. Treating anal fistula with mouse-like sores: Lei Wan, He Shi (fried), and alum ash each one liang, and honeylocust needle ash and imported sulfur (ground) each half a liang. Grind and pound the above five ingredients into a powder, make pills with a paste boiled in vinegar, the size of parasol tree seeds, coat with realgar powder. Take twenty pills per dose, with warm wine and musk on an empty stomach before meals.