Fahanxia is generally used as a decoction to be taken internally, but you should consult your doctor for the exact method of use. Fahanxia has the effect of drying dampness and resolving phlegm (removing phlegm from the body with drugs that dry dampness). Semixia, with the effects of drying dampness and resolving phlegm, subduing rebelliousness and stopping vomiting (stopping the upward flow of gastric qi, stopping vomiting), and subduing lumps and dispersing lumps and knots. It is used in treating damp phlegm and cold phlegm, coughing with excessive phlegm, phlegm-drinking palpitations (caused by phlegm-drinking evil qi), wind-phlegm dizziness, phlegm-convulsive headache (caused by phlegm obstructing the qi), vomiting and regurgitation, chest and epigastric constriction, and prune-core qi (a kind of pharyngeal allergic syndrome). Fahanxia is one of the concoctions of Fahanxia, which is pungent in flavor and warm in nature, and is attributed to the spleen, stomach and lung meridians. It is used in treating phlegm-heavy cough, phlegm-drinking palpitations, wind-phlegm dizziness, phlegm-convulsive headache, etc. It should be noted that the toxicity of hemixia is large, and the toxic components are mainly alkaloids, phytosterols and needle crystal protein. The toxicity can be reduced after concocting. Half-sia should not be used with Chuanwu, Prepared Chuanwu, Caowu, Prepared Caowu, and Appendicitis. If you need to take this medicine, it is recommended to do so under the guidance of a doctor.