Soothe headache with pink eyes, soothe toothache, coarse voice, treats dry cough, clear phlegm, constipate and detoxify.
2 -3 pieces soak with boiling water or make into decoction. Use as tea.
Not to use in cases of abundance of thin clear phlegm, asthma with cough or “pixu” (spleen deficient) syndrome of thick, fat tongue with slippery, oily fur, and loose stool.
Long term usage can cause "pixu" (spleen deficient) with loose stool, lack of appetite, emaciation. Large dosage may be toxic to the kidneys. Consult a licensed doctor before using.