Raw half-summer is poisonous and is usually taken by decoction after concoction; usually prepared half-summer can be taken by decoction together with other medicines.
Half-summer has the effects of drying dampness and resolving phlegm (expelling dampness by drying dampness and dissolving phlegm), lowering the rebelliousness and stopping vomiting (stopping the upward flow of stomach qi and stopping vomiting), and eliminating lumps and dispersing knots (removing lumps in the body).
Half-summer is used in treating damp phlegm and cold phlegm, cough and phlegm, phlegm-drinking vertigo and palpitations (vertigo and palpitations due to phlegm-drinking (pathological products of impaired metabolism of water and fluid), phlegm-convulsive headache (headache caused by phlegm obstructing the qi), vomiting and regurgitation of stomach, chest and epigastric constriction (feeling of fullness in the chest and abdomen), and mei kuo qi (a condition similar to pharyngeal dysphoria).
Half-summer is more toxic, and symptoms such as numbness of the mouth and tongue, sore and dry throat, and epigastric discomfort may occur after poisoning. It should not be used with Chuanwu, Prepared Chuanwu, Caowu, Prepared Caowu, and Appendicitis. Sheng half-summer is highly irritating to skin and mucous membranes. Topical use of raw hemixia has been reported to cause allergic necrotizing dermatitis and should be taken seriously.
If you need to use Bianxia, you must use it under the guidance of a professional doctor.