It has the effect of clearing heat and removing toxins, inducing diuresis, relieving swelling, and relieving cough.
The dried above-ground part of the plant is Polygonum cuspidatum. It is sour in flavor, slightly cold, and goes to the lung and bladder meridian acid. It has the effect of clearing heat and removing toxins, inducing diuresis and relieving swelling, and relieving cough.
Clinically used for sore throat, lung-heat cough, pediatric cough, edema, urine, damp-heat diarrhea (diarrhea caused by feeling damp-heat evil), eczema, boils (inflammatory lesions caused by deep hair follicles and surrounding tissues of the hard nodules), snake bites.
The adverse effects of kangban gui are not clear, it is forbidden for those who have a history of allergy to kangban gui, and should be taken with caution for those who are physically weak. If necessary, it is recommended to use under the guidance of a professional Chinese medicine practitioner, do not self-medication, so as not to delay the condition.