Properties: Bitter in flavour, cold in nature, it acts on the lung channel. The bitter and the cold properties can
clear away heat and detoxicate. It is good at removing the phlegmfire in the lung, detoxicating sand relieving sore throat.
So it is indicated for sore throat caused by upward flaring of phlegmfire. It is often used to treat cough and dyspnea caused by the retention of phlegm and fluid, by means of its expectorant and lumps dissolving effects.
Effects: Clearing away heat, detoxicating, expelling phlegm and relieving sore throat.
Indication:
1. For the upward flaring of phlegm-fire and sore throat, it is used in combination with the drugs for removing lung-heat, expelling phlegm and relieving sore throat, such as scutellaria root, platycodon root, fritillary bulb and liquorice.
2. For cough due to phlegm-heat, it is used in combination with mulberry bark, trichosanthes fruit, fritillary bulb, the drugs for removing heat and
resolving phlegm. In cases of cough and dyspnea due to coldphlegm with thin whitish sputum, it is used with the drugs
for warming the lung to reduce watery phlegm, such as pinella tuber, asarum herb (wild ginger), etc.
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