Lead frost

Lead frost

(rihuazi materia medica)

Another name: lead white frost.

[source] lead acetate made from lead.

[preparation method] put acetic acid in a magnetic dish, put lead oxide into it, mix it well, dissolve it at low temperature, filter it at high temperature, and cool it down to precipitate lead acetate crystal. Then put it on the funnel, drop the liquid, then spread it on the paper, and dry it at room temperature. If you want to refine, you can dissolve the crude product in boiling soup of the same volume, add a little dilute acetic acid, filter by temperature, and crystallize by cooling to obtain pure lead cream.

① According to the book of materia medica: "the method is to refine one-fifth of lead and mercury into a piece, put it in a vinegar jar, seal it, and make it frost for a long time. "

② According to the compendium of the compendium of works, "lead is used to make money and wear it into strings. The vases are filled with vinegar. The strings are placed horizontally in the basin, 3 inches away from the vinegar. The vases are still covered with the vases and placed in the shade, waiting for the frost to brush down, and they still live together. "

[herbal medicine] is a white needle or plate-shaped crystal block. Metallic luster. It is easily weathered in dry air. Soluble in water, slightly soluble in alcohol, insoluble in ether. Its aqueous solution is sweet and extremely toxic. When ferric chloride is added, white lead chloride precipitates and red iron acetate precipitates in the supernatant.

[chemical composition] the main component is lead acetate. According to: in the book of Materia Medica, the raw materials of lead cream are not only lead and vinegar, but also a small amount of mercury. Therefore, in addition to lead acetate, the components of its products may also contain a small amount of mercury.

Sweet acid, cold and poisonous.

① "Rihuazi Materia Medica": "cold, nontoxic. "

② "Gangmu": "sweet acid, cold, non-toxic. "

Functions and indications: falling phlegm, calming shock, stopping bleeding and gathering sores. It is used to treat convulsion, hot phlegm, epistaxis, laryngitis, chancre, aphthous ulcer.

① "Rihuazi Materia Medica": "expectorant, stop palpitation, detoxification, treatment of chest diaphragm depression, stroke phlegm solid, quench thirst. "

② "Ben Cao Tu Jing": "it is used to treat wind phlegm and shock stagnation of infants and children. "

③ The original meaning of "Yin Sai Shang Cao". "

④ "Gangmu": "to cure vomiting, to calm fear, to black hair. "

[usage and dosage] oral administration: Yanmo, 3-5% or into pills or powder. External use: grind powder, sprinkle or apply solution.

[should avoid] phlegm cough due to weakness of spleen and stomach and exogenous wind cold should not be taken. Overdose can cause lead poisoning.

"The stomach is weak, the spleen is deficient, and the intestines are smooth, so it is not suitable to use it. Wind cold cough phlegm and avoid it. "

[prescription selection] ① to treat children's convulsion and fever, to calm the mind: lead cream half Liang (careful research), ginseng half Liang (removing the head of reed), Fuzhen half Liang, cinnabar half Liang (careful research, water flying), musk one point (careful research). For the end of the medicine pound Luo, all research order uniform, refining honey and pills, such as mung bean big. Regardless of time, to mint soup under five pills, the amount of children size, in order to add and subtract. (shenghuifang lead frost pill)

② Treatment of children with heat shock, heart and lung heat, night lying more shock: lead cream, bezoar each half, iron powder one. Grind well. Every time you serve a word, you can tune it down. (Sheng Ji Zong Lu)

③ For the treatment of epileptogenesis, the teeth are urgent, the mouth can't be opened, and the medicine can't be given: a small piece of toad venom, a word of lead white frost. The upper research order is very fine. Dip the plum meat in the medicine and wipe it at the corner of the mouth for a long time. (Xiaoer weiweilun Fang)

④ Treatment of epistaxis more than: white cream powder. New water (transfer) clothing word. (Shi Quan Bo Jiu Fang)

⑤ Treatment of laryngeal obstruction: white cream, licorice each half two, indigo one or two. On the three flavor, mash for the end, vinegar and for the ball, such as chicken head real big. It contains pharyngeal fluid and phlegm. (bijinwan in Shengji Zonglu)

⑥ Treatment of sore throat, cool pharyngeal diaphragm: white cream, borax, persimmon cream, sugar cream. On each equal division, for the fine end. Take half a dollar each, swallow it, and eat it. (lead frost powder in Yang's family collection)

⑦ Treatment of large and small people's mouth sores, tooth corrosion, gas odor bleeding: white cream two money, green two money, alum - block. Last is the last. Brush the sores with plumes and rinse them with warm syrup. (xuanming Lun Fang)

⑧ Treatment of aphthous ulcer: lead cream, borneol and talc. Take the medicine and study it carefully. Each with a little, stick on the sore, saliva that spit but. (shenghuifang lead frost powder)

⑨ For the treatment of hemorrhoids, such as falling intestines, turning flowers, rat milk, etc., the heat and pain is unbearable, or has become a sore: lead white cream, white brain. Use a little good wine, grind it into a plaster and apply it. (Shengxue cream of baby and child's questions)

⑩ Treatment of children with red body, or swelling, or such as fire pill, thirst, red body lead to strong heat: lead cream half Liang, mung bean powder half Liang. Apply the medicine to powder and spread it with Brassica juice. (shenghuifang lead frost powder)

(11) treatment of three diabetes diseases: lead frost, qiangen, Xiaoshi each one or two. The top three ingredients are mashed into powder. Every time you take a dagger, adjust it in cold water. (Xiaoshi powder in Shengji Zonglu)

(12) to cure the stagnant and astringent moon water, upset and trance: half a liang of lead white cream. Study carefully for powder. Every time you take a dagger, warm rehmannia juice should be mixed; if there is no rehmannia juice, use raw and dry Rehmannia Decoction. (lead frost powder in Shengji Zonglu)

[discussion by famous experts] 1. In the compendium of Medical Sciences, it is said that "lead cream, which can remove phlegm, remove heat, calm shock and stop diarrhea, has wonderful effect, but it is not commonly used for a long time; if the disease is Shangjiao, it should be cleaned up.". "

② According to the classic of Materia Medica, the "lead frost" is sweet and sour, cold and non-toxic. In the case of stroke, it is not caused by phlegm heat, and the chest diaphragm is depressed and thirsty. It is also caused by fire heat and burning. If the "lead frost" can remove heat and generate fluid, the phlegm will disappear, the palpitation will be calm, and the wind will heal itself. "

Chinese PinYin : Qian Shuang