English Name: cicada moulting
Pharmaceutical Name: Periostracum Cicadae
Medica Category: Wind-Heat Releasing Herbs
Properties: Chan Tui enters the Liver and Lung channels; it is sweet in nature and cold in temperature
The Chinese Herb Chan Tui is the sloughed-off moultings of the cicada
Chan Tui dispels wind heat (often combined with Niu Bang Zi and Bo He) and is used to treat symptoms that present in the head (headache), eyes (redness and itching) and throat (sore throat, hoarseness/loss of voice). This combination is also used to vent rashes and promote the eruption of dermatological disorders.
Chan Tui extinguishes Liver wind and treats muscle spasms; it treats tetanus (either singly or in combination with other herbs depending on the severity of the case), infantile convulsion (with Gou Teng and Quan Xie), and constant crying in infants due to fright (with Gou Teng and Bo He).