What does Centella asiatica do when boiled in water?

Centella asiatica has the effect of clearing heat and removing dampness, detoxifying and reducing swelling. However, the active ingredients of the drug boiled in water are limited, it is recommended to follow the doctor’s advice to decoct the soup for internal use.
The taste of Centella asiatica is pungent, bitter, and cold in nature. It belongs to the liver, spleen and kidney meridians. It has the effect of eliminating swelling and detoxification, clearing away heat and inducing dampness. It is used for damp-heat jaundice, heatstroke diarrhea, stonelike drenching (discharging gravel when urinating, or sudden interruption of urination, pain in the urethra, intolerable pain in the waist and abdomen), hemorrhagic drenching (the appearance of blood in the urine accompanied by pain), carbuncle, swelling and sores, bruises, and injuries.
The adverse reactions and contraindications of taking Centella asiatica are not clear.
The body should go to the regular hospital as soon as possible, the use of Centella asiatica need to be guided by a professional physician, not self-medication.