Mint leaves are forbidden to be taken by people with yin deficiency and blood dryness (deficiency of yin fluid and prolonged blood heat), hyperactivity of liver yang (deficiency of liver yin and disturbance of liver yang), and superficial deficiency and excessive sweating. Mentha piperita has the effect of dispersing wind-heat, clearing the head and eyes, relieving the pharynx, transmitting rashes, dredging the liver and promoting the flow of qi.
Mint leaves are pungent in flavor and cool in nature. It belongs to the lung and liver meridians. Clinically, it is used for wind-heat colds, the first signs of wind-heat, headache, eye redness, paralysis of the throat (throat redness, swelling, pain, or dryness, foreign body sensation, or throat itching, discomfort, difficulty in swallowing), mouth sores, rubella, measles, chest and ribs (chest and ribs) distension and stuffiness, and so on.
Mentha piperita is used in the treatment of wind-heat cold or the beginning of warm disease, evil in the Wei division, fever, slight aversion to wind-cold, headache, etc., with honeysuckle, forsythia, burdock and other medicines; if the beginning of warm disease, pain in the bones and joints of the peripheral body, skin strong heat and no sweating, headache, the back of the slight aversion to cold (fear of cold), the pulse floating and slippery, can be matched with gypsum, cicadas, licorice and other drugs with the use of the same.
It should be used under the guidance of a professional Chinese medicine practitioner, and should not be used arbitrarily on its own, following the doctor’s instructions.