Chenpi is warm in nature, pungent and bitter in flavor, and enters the spleen and lung meridians.
Pericarp is the dried and matured fruit peel of Citrus sinensis and its cultivated varieties in the family of Rutaceae. It is warm in nature, pungent and bitter in flavor, and enters the spleen and lung meridians. It has the functions of strengthening the spleen and regulating qi, resolving phlegm and drying dampness, and is mainly used in the treatment of stagnant qi in the spleen and stomach, vomiting, hiccups, damp phlegm, cold phlegm and coughing, and thoracic paralysis (stuffy pain in the chest).
Chenpi is mainly used in decoction soup for internal use, or in pills and powder. Adverse effects of this drug are not clear, but allergic to this drug should be prohibited; qi deficiency, yin deficiency, dry cough, vomiting of blood, and tongue red with little fluid, internal solid heat should be used with caution.
This drug should be taken under the guidance of a traditional Chinese medicine practitioner, and should not be taken blindly on its own, so as not to cause delays in the condition.