Emetics
Fossilia Spiriferis (Spirifer’s fossil shell)
Spirifer’s fossil shell
石燕
Shi Yan
食盐
Name
Shi Yan (Spirifer’s fossil shell)
The Effect of Shi Yan
Property
Salty, cool; kidney and bladder meridians entered.
Actions
Clear damp-heat, promote diuresis and remove nebula.
Indications
Nebula, difficult urination, stranguria, leucorrhea, anal fistula, hematochezia.
Dosage and Administrations
Decoct 3~9 g. It should be decocted first. Proper dosage is for external application.
Cautions
It is contraindicated to pregnant women and weak people without damp-heat.
Sources and further reading
We cite classical materia medica and modern reference works. This article is health education, not medical advice.
- Shennong Bencao Jing (The Divine Farmer's Materia Medica), Han dynasty.
- Bencao Gangmu (Compendium of Materia Medica), Li Shizhen, 1578.
- Chinese Pharmacopoeia, current edition — identity, quality and safety monographs.
- NCCIH and WHO reference material on traditional medicine safety.
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