The main difference between kidney yin deficiency and kidney yang deficiency is through clinical manifestations. In addition to soreness and weakness of the waist and knees, kidney yin deficiency can be manifested as night sweating (abnormal sweating after going to sleep, and the sweating stops after waking up), hot flashes, and heatiness of the five hearts and minds (heatiness of the hearts of the hands and the feet, and self-consciousness of heatiness of the chest and the heart), while kidney yang deficiency can be manifested as coldness and coldness of the limbs, and frequent urination at night.
Kidney yin deficiency mainly manifests as soreness and weakness of the waist and knees, seminal emission, spermatorrhea, night sweating, flushing of the cheekbones, five heart-heat, heat in the hands and feet, red tongue with little fluids, little or no moss, and a fine pulse (the pulse becomes narrower and finer, and the rate is accelerated), and so on.
Kidney yang deficiency is mainly manifested as soreness and weakness of the waist and knees, cold extremities, dark face, swollen limbs, long and clear urine, frequent nocturia, spermatorrhea, impotence, premature ejaculation, infertility of the uterus, menstrual disorders, pale color, menstrual cramps, pale and fat tongue, white slippery tongue coating, and thin and feeble pulse.
If there is a deficiency of kidney yin or kidney yang, it is recommended to go to the hospital for diagnosis by a clinician and follow the doctor’s instructions for medication.