Xia Gu Cao is indicated for eye redness, swelling and pain, headache and dizziness; Han Xia is indicated for damp phlegm and cold phlegm, cough and phlegm. When the indications of the above two drugs appear, you can take Xia Gu Cao and Han Xia together under the guidance of a doctor. Xia Gu Cao has the effects of clearing heat and fire (removing heat and fire from the body), brightening the eyes, dispersing knots and subduing swelling. It is mainly used for treating eye redness and swelling, headache and dizziness, night pain in the eyeballs, scrofula (mainly refers to tuberculosis of the lymph nodes in the neck), gall tumors (equivalent to thyroid tumors), and carbuncle swelling and pain. It should be used with caution for those with weak spleen and stomach. Semixia has the effects of drying dampness and resolving phlegm (removing phlegm from the body by drying dampness), lowering the rebelliousness and stopping vomiting (stopping the upward rush of gastric qi and vomiting), and eliminating lumps and dispersing knots. It is used for treating damp phlegm and cold phlegm, phlegm-drinking vertigo and palpitations (vertigo and palpitations caused by phlegm-drinking evils), wind-phlegm vertigo, phlegm-convulsive headache (headache caused by phlegm evils obstructing qi), and so on. It should not be used together with Chuanwu, Caowu and Pseudostemma. If medication is needed, it should be diagnosed by a doctor and standardized treatment should be prescribed by a doctor.