Phlegm syndrome herb selection

Second, for treating damp-phlegm syndrome, bitter and warm herbs that can dry dampness, or sweet and bland herbs that can leach out dampness, are selected for treating phlegm-heat syndrome, cold and moistening herbs that can dilute phlegm are selected. 

Bai Zhu is warmer than Dang Shen but is bitter. The strong point of this herb is that it can either tonify the Qi or dry dampness. It can also treat the cause and manifestations of phlegm. It is often selected to treat damp-phlegm syndrome. 

These herbs are the most commonly used herbs to treat phlegm-heat. They are selected as chief in formulas to treat phlegm-heat syndrome. 

The other three herbs are able to leach out dampness and promote urination. They can be selected in the formula to assist the chief and deputy herbs to remove damp-phlegm. Among these herbs, Fu Ling is neutral and can gently tonify the Spleen-Qi Ze Xie and Yi Yi Ren are cold and are more suitable for treating phlegm-heat syndrome. 

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