Calomelas As Medicine – Ben Cao Medical Book

Definition: Calomelas (粉霜) is the crystal mercurous chloride powder sublimed from mercury, alum (or chalcanthitum) and salt.

Odour & Nature: Pungent, warm in nature, toxic,

Indications & Formulas:

Proper dosage of calomelas, fried white petunias and mercury powder (a mixture of mercury, alumen and salt) can be used to treat acute infantile convulsions.

A decoction of calomelas and lotus flower can be used to mitigate restlessness, agitation and thirsty in infants.

Calomelas, flour, mercury powder and lead acetate are to be produced into pills for oral taking which can help with wind-heat invasion (such as wind tetany).

Powdered calomelas, cinnabar and water can be used externally to treat macula of retina.

External application of calomelas powder can be an external remedy for syphilis (a highly contagious disease spread primarily by sexual activity).

The Ben Cao Medical Book (also known as Compendium of Materia Medica or Ben Cao Gang Mu; Chinese: 本草纲目) is the most famous and comprehensive medical book ever written in the history of traditional Chinese medicine (TCM). Compiled and written by Li Shi-zhen (1518~1593), a medical expert of the Ming Dynasty (1368-1644) over 27 years.

The Ben Cao Medical Book records and describes all the plants, animals, minerals, and other objects that were believed to have medicinal properties in TCM. The book reflects the pharmaceutical achievements and developments of East Asia before the 16th century. On the basis of his predecessors’ achievements in the pharmacological studies, Li contributed further by supplementing and rectifying many past mistakes and misconception in relate to nature of many medicinal substances and causes of various illnesses. Charles Darwin, originator of the biological theory of evolution, regards the book as the “ancient Chinese encyclopedia”.

Disclaimer: The Ben Cao Medical Book is translated by The information on this website is not intended to replace a one-on-one relationship with a qualified health care professional and is not intended as medical advice. It is intended as a sharing of CTM knowledge and information from the research and experience from the author Li Shi-zhen. Kindly be alert that the CTM knowledge and ancient formulas given above are likely NOT medically proven and may contain misconceptions.

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