qing fen

Name: qing fen
Creator: Bencao Index

Very toxic

Toxicity graded by American Dragon.

About qing fen

Qing Fen is calomel, mercurous chloride. It is acrid in flavour and cold in temperature, entering the Liver, Kidney and Large Intestine channels.

Names

Pinyin	qing fen

Classification

Channels: Large Intestine, Kidney, Liver
Flavour: Acrid
Temperature: Cold

Actions and indications

Kills parasites strongly, generates flesh and heals sores

Skin parasites and fungal skin infections such as tinea
Sores that have become ulcers and will not heal, combined with Blood-moving herbs
Chronic weeping or discharging sores, and impetigo- or eczema-like lesions

Resolves toxicity and kills parasites

Scabies, rosacea or syphilitic chancres, washed externally (the chancre use is historical and long superseded)

Expels water and unblocks the bowels and bladder

Excess patterns with edema, retention of urine and constipation, taken internally in the past

Combinations

xue jie + dang gui + zi cao
Ointment with beeswax and sesame oil to generate flesh over ulcers that do not heal
xiong huang + da feng zi
Scabies, as a topical powder
shi gao + huang bai
Skin ulcers, applied topically as a powder mixed with sesame oil or water
qing dai
Syphilitic ulcers, applied topically as a powder
da feng zi
Topically for leprosy.
da huang + qian niu zi
Edema, ascites and constipation in some cases of Kidney Yang Deficiency. Use with extreme caution in weak patients
huang lian + zhu dan
Topically for skin sores.
da huang + liu huang
Pimples and rosacea: powder, then combine with cold water, honey, petroleum jelly and sesame oil
hu tao ren + huai hua mi + da zao
Chancres, taken internally (no longer used)
liu huang + qian dan
Fungal infections in general, applied topically
xi xin
Severely itchy fungal infection
hong/jing da ji + yuan hua + qian niu zi
Moderate edema with difficult urination and defecation
hong/jing da ji + yuan hua + qian niu zi + qing pi + bing lang
Edema with difficult urination and defecation
da zao
Constipation.

Dosage

Age	Raw	Granule	Tincture	Concentrate	Frequency
Any Pills or Powders: 0.1-0.2g	0.1-0.2 g	—	—	—	—

Cautions

caution A toxic mercury compound, now obsolete or restricted: not taken internally in contemporary practice, and not to be used at all outside a licensed, regulated setting
pregnancy Do not use in pregnancy, and never take it internally while pregnant
contraindication Weak or deficient constitution; never take it internally when weak
contraindication Kidney disease such as nephritis, or liver disease; mercury damages the kidneys
caution Even on the skin, avoid long use, large areas or high doses, since the toxicity accumulates
caution Hypersensitive, broken or inflamed skin
contraindication Never decoct it: heating makes it more toxic
caution Overdose must be strictly avoided

Interactions

Antagonistic with

ci shi Works against Ci Shi (magnetite)

Drug interactions

Other mercury sources (mercurial patent medicines, skin-lightening creams, dietary methylmercury) and medicines that harm the kidneys: mercury load and kidney risk add up (general toxicology, not interaction data)

Link to this herb

Paste any of these. The wording inside the link is the part that matters — it tells a search engine what this page is about, so it is filled in for you.

HTML

<a href="https://bencaoindex.com/herbs/qing-fen/">qing fen</a> — Bencao Index

Markdown

[qing fen](https://bencaoindex.com/herbs/qing-fen/) — Bencao Index

With our badge

<a href="https://bencaoindex.com/herbs/qing-fen/"><img src="https://bencaoindex.com/badges/bencao-index-160.svg" alt="Bencao Index" width="160" height="40"></a>

Free to use with a visible link back. This herb is also available as XML. See link to us for banners, the feed, and the terms.

Support

Bencao Index is free to use and free of advertising, and is paid for by one practitioner.

Make a donation