Single Herb Glossary
Chán Tuì 蟬蜕
| Pharmaceutical name | Cicadae Periostracum Cryptotympana pustulata cicada molting/exoskeleton |
| Category | Cool, Acrid, Release the Exterior |
| Key Properties | Cold, light, and ascending Dispels Exterior Wind-Heat, Extinguish Interior Wind Cools LU & LV, Vents rashes Stops itching, Soothes throat |
| Properties | Sweet Salty Slightly Cold |
| Tropism | LU, LV |
| Actions & Indications | 1) Disperse Wind, Clears Heat, loss of voice, sore throat 2) Vents Rashes 3) Clears Eyes, Removes Superficial Visual Obstruction 4) Stops spasms, Extinguishes Wind |
| Dosages | 3-9 g |
| Contraindications (TCM) | Caution in pregnancy, especially if there is history of miscarriage (used for delayed labor & promote expulsion of residue of birth process) May cause drowsiness and sedation |
| Contraindications (Western) | |
| Chemical Composition | Protein, amino acid, organic acid, carbohydrates, lipids, essential oil |
| Pharmacological Effects | • CNS suppressant: laboratory experiments show that it prevents and treats seizures, treats tetanus, prolongs sleeping time induced by barbiturates, reduces spontaneous activity and counters excitation induced by caffeine in mice |
| Herb-Drug Interactions | • Sedatives: inhibitory influence on CNS; potentiates sedative effect of barbiturates, reduces stimulant effect of caffeine |
| Classical Formula(s) |
This information is a reference tool for Chinese herbal studies. It is not intended to replace professional medical advice. Please consult a primary health professional if you require health advisory.