There are many herbs for clearing heart fire, commonly used ones are Lanternwort, Lotus heart, Yellow dock and so on. Specific medication needs to be under the guidance of a physician.
1. Lanternwort: It has the effect of diuretic and diaphoretic (to improve the problem of incomplete urination and small amount of urine), clearing the heart and lowering the fire. It is used in treating gonorrhea (increased frequency of urination, astringent and painful urination), heartburn and insomnia, and mouth and tongue sores. It is not recommended for those who have coldness in the lower part of the body, or those who have urinary incontinence.
2. Lotus heart: It has the effect of clearing fire in the heart and calming fire in the liver. It is used for treating delirium (confusion, nonsense), restlessness and insomnia, dizziness, vomiting of blood and spermatorrhea. It is forbidden to be taken by people with cold spleen and stomach.
3. Huang Lian: It is used in treating damp-heat plumpness (stomach distension and discomfort), vomiting and acid swallowing (swallowing the acid in the stomach that rushes upward to the mouth and throat), damp-heat diarrhea (diarrhea caused by feeling damp-heat evil), high fever and dizziness, disturbed sleeplessness (disturbed heat in the heart (irritability and sullenness), insomnia), epistaxis (vomiting of blood and nosebleed due to blood-heat), and redness in the eyes and toothache. It is not recommended to use if the spleen and stomach are cold.
It should be noted that the efficacy of single Chinese medicine is limited, and clinically it should be used in combination with other Chinese medicines after identification by a Chinese medicine practitioner.