Internal heat, soreness and weakness of the soles of the feet may be caused by kidney yin deficiency and deficiency of qi and blood, and the medication should be used under the guidance of a doctor, not privately.
Kidney yin deficiency: patients may experience lumbar and knee soreness (a feeling of soreness and weakness in the waist and knees), weakness in the legs, heat in the hands and feet, dizziness, tinnitus, emaciation, insomnia and dreaminess, zygomatic redness (redness of the cheeks and zygomatic bones), hot flashes (a burst of heat), impotence, spermatorrhea and premature ejaculation, etc., and may be treated with the Six Flavors of the Earth (Liou Wei Di Huang Pills) and Zuo Gui Pills which have the function of nourishing yin and replenishing the kidneys.
Insufficient qi and blood: patients may have symptoms such as yellowish and dull complexion, dry skin, numbness of hands and feet, deficiency of heat, insomnia and dreaminess, forgetfulness and palpitations (accelerated heartbeat, often accompanied by panic), fatigue and weakness, and lack of qi and laziness of speech (lack of strength, not wanting to speak), etc. Under the guidance of a doctor, the treatment may include the use of Gui Spleen Soup and Ba Zhen Tang, which are beneficial to the vital energy and nourishes blood (replenishing the body’s qi and blood), and the treatment may be combined with additional and reduced medicines.
Specific drugs should be used on the basis of evidence-based treatment by a specialized Chinese medicine practitioner, and should not be chosen on one’s own to avoid adverse reactions.