Plantain root has the effects of clearing heat and removing toxins, quenching thirst and inducing diuresis, and is mainly used in the treatment of fever, dullness and thirst, and carbuncle and furuncle (a skin disease referring to furuncle of serious degree). Plantain root is sweet in taste, cool in nature, and belongs to the spleen, stomach and liver meridians; it has the effects of clearing away heat and removing toxins, quenching thirst, and diuretic, and is often used in combination with other medicines to treat fever, boredom and thirst, carbuncle, furuncle and poison, dengtoxin (an acute infection in which the skin turns red like paint), leakage (excessive menstruation or more than one drip), gonorrhea, edema, and beriberi, and other diseases. The adverse effects of this product are not clear, and it is contraindicated for those with Yang deficiency and weak spleen without solid heat. If there is a need for medication, it is recommended that it be used under the guidance of a doctor and not purchased on its own to avoid delays in the condition.