Chen Pi can be combined with Cang Zhu to treat epigastric (abdominal) distension, with Shan Zha to treat food stagnation (indigestion of food and its retention in the stomach), with Dang Shen to treat abdominal distension due to deficiency of the spleen and with Bamboo Roots to treat vomiting.
Pericarpium Citri Reticulatae has the effects of strengthening the spleen and regulating qi, drying dampness and resolving phlegm (expelling dampness by drying dampness and resolving phlegm). It is used in conditions such as low food intake, distention and fullness in the epigastrium, diarrhea, vomiting, and cough with excessive phlegm. Caution should be exercised in taking Chen Pi for Yin deficiency and dry cough and Qi deficiency.
Chenpi is used to treat diseases and is more effective when used in combination with other herbs. It can be used to treat cold, dampness and stagnation of the spleen and stomach, as well as distension and pain in the epigastric region, and can be combined with Houpu and Cangzhu. For treating food accumulation, it can be combined with hawthorn and shen qu. It can be combined with Atractylodes macrocephala, Radix et Rhizoma Ginseng, Poria, etc. for the treatment of distention and fullness in the spleen and stomach. For the treatment of vomiting, it is often used in combination with Bamboo Root, Ginger and Jujube. For the treatment of cough with phlegm-dampness, it is often used in combination with Pinellia, Poria, and so on.
The adverse effects of the drug are not clear, the use of Chen Pi should be used under the guidance of a doctor to identify the evidence to play a good therapeutic effect.