What are the effects of Hedyotis diffusa?

White Flower Snake Tongue Herb has the effect of inducing dampness and removing jaundice, clearing away heat and removing toxins, activating blood circulation and reducing swelling, and is used as the main treatment for dampness-heat jaundice, sore throat, and lung carbuncle (lung abscess).
White Flower Snake Tongue Herb, cold in nature, bitter and sweet in taste, belongs to the stomach and large intestine meridian. It is used in the treatment of intestinal carbuncle (carbuncle occurring in the intestinal organs, manifested by fever, pain in the right abdomen and palpable lump), lung-heat wheezing and coughing, venomous snake bites, feverish drenching (burning and tingling during urination, accompanied by frequent urination and urgency, and discomfort of traction in the abdomen) and astringent pain, oedema, as well as dysentery and enteritis, and boils, swellings, sores, and so on.
The adverse reactions and contraindications of Huperzia serrata are still unclear, and caution should be exercised in pregnant women. This drug is often used together with other drugs, such as with rehmannia and fritillaria, rehmannia clears heat and fire, fritillaria eliminates carbuncles and drains pus, and the three drugs are used together to treat pneumonia, carbuncles, and so on.
The three drugs are used together to treat pneumonia, carbuncle, etc. White-flower Snake Tongue Herb should be taken under the guidance of traditional Chinese medicine practitioners, and should not be used on its own to avoid causing adverse consequences.