Clearing the heat and drying the dampness of the medicine highlights a wet word, surgical is the sore surface is more dirty, more ooze, internal medicine is more dirty and more excretion, like dysentery. There is also more body acidity, chest tightness.
Clearing the heat and detoxification medicine is the main treatment of some of the surgical sores and swelling of the medicine, equivalent to the current anti-inflammatory drugs.
Clearing the heat and cooling the blood is used for heat into the blood of a class of drugs, the patient more irritable and all kinds of bleeding.
Clearing the deficiency heat medicine is the main treatment of low fever and night sweating class of medicine. Most of the night fever.
Probably these are the ones.