Citrus aurantium has the effects of breaking down qi and eliminating stagnation, resolving phlegm and dispersing lumps, and is used to treat stagnation in the intestines and stomach, chest palsy (stuffy pain in the chest) and pain, and prolapse of the organs. The side effects of this drug are not known. Citrus aurantium is the dried young fruit of sour orange and its cultivated varieties or sweet orange in the family of Rutaceae. This drug has the efficacy of destroying Qi and eliminating stagnation, resolving phlegm and dispersing lumps. It can be used in the treatment of stagnation and internal retention of stagnation, lumps (stomach distension and discomfort) and distension, diarrhea and dysentery, inability to pass stool, phlegm stagnation and Qi obstruction, pectoral paralysis (stuffy pain in the chest), and prolapsed viscera. The adverse effects of this drug are not known, but it should be used with caution in pregnant women because of its strong qi-moving power. If there is a need for the medicine, it is recommended to visit a regular hospital and be treated under the guidance of a professional doctor who can identify and treat the symptoms.