Zi Xue Dan 紫雪丹
Purple Snow Special Pill

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Tradition:

TCM

Source / Author:

Imperial Grace Formulary of the Tai Ping Era

Herb Name

Latin

Amount

Shi Gao (Gypsum)

Calcium sulphate

Han Shui Shi (Calcite)

Calcitum

Hua Shi (Talcum)

Talcum

150 grams ea. 

Xi Jiao (Rhinoceros horn) *

Cornu Rhinoceri

Ling Yang Jiao (Antelope horn)

Cornu Saigae tartarica

15 grams ea.

She Xiang (Musk)

Moschus moschiferus

3 3⁄4 grams

Xuan Shen (Scrophularia)

Scrophularia ningpoensis

50 grams

Ci Shi (Magnetite)

Magnetitum

150 grams

Sheng Ma (Cimicifuga)

Cimicifuga heracleifolia

50 grams

Zhi Gan Cao (Fried Licorice)

Glycyrrhiza uralensis

24 grams

Qing Mu Xiang (Birthwort)

Aristolochia debilis

Chen Xiang (Aloeswood)

Aquilaria agallocha

15 grams ea.

Ding Xiang (Clove)

Syzygium aromaticum

3 grams

Zhu Sha (Cinnabar)

Cinnabaris

9 grams

Mang Xiao (Mirabilite)

Mirabilitum

500 grams

Xiao Shi (Niter)

Potassium nitrate

9.6 grams

Jin (Gold)

Aurum

300 grams

* Twice the amount of Water Buffalo horn extract is used in place of Rhinoceros horn.

Preparation:

Crush the minerals (not the cinnabar or salts) and boil in water three times; boil the herbal ingredients with the minerals three times to form a syrup. Next add the Mirabilite and Niter to the syrup, dry it, and powder. The finely powdered horns are added, the water purified Cinnabar is added, and lastly the Musk. Sift and form Pills..

Function:

Clears Heat and Toxin, Stops Spasms, Opens the Orifices, calms the Spirit

Use:

In all the following conditions, there is High Fever, Irritability, Restlessness, Delirium, loss of consciousness, spasms, convulsions, thirst, dark urine, constipation
1. Childhood Convulsions
2. Febrile Convulsions
3. Acute Encephalitis
4. Acute Meningitis
5. Measles
6. Scarlet Fever
7. Diphtheria
8. Acute Severe Tonsillitis
9. Severe Pneumonia

Dose:

1 1⁄2–3 gram doses, once or twice daily with warm water

Cautions:

1. Not use during Pregnancy
2. Only used while there is High Fever and impaired consciousness. Its use is stopped once these symptoms are relieved.
3. Not used long term because of the Cinnabar content.

Modifications:

Water Buffalo horn extract is used in place of Rhinoceros horn. Gold is often omitted in modern practice, or the pills can be wrapped in gold leaf instead. Synthetic Musk is usually used; the Cinnabar and Birthwort would be omitted in developed countries.


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