Calf soreness is only a symptom, there are more causes of calf soreness, such as lesions of peripheral vascular tissues, varicose veins, poor local blood circulation, lack of minerals in food, magnesium deficiency, calcium deficiency, etc. Also, the decrease of blood calcium that occurs in pregnant women and the elderly can cause calf soreness. Low thyroid function or uremia or other diseases in the body can also cause calf pain, as can neuronal and peripheral neuropathy of the spinal cord, as well as medications, such as certain antihypertensive drugs and lipid-lowering drugs. According to Chinese medicine, calf soreness may be caused by external sensation, wind and cold, dampness, trauma or mental factors that lead to deficiency of kidney essence and loss of nourishment of tendons and veins. Eating too much cold stuff and improperly keeping warm can also cause sore calves. If there are other symptoms and discomfort in certain parts of the body, it is necessary to go to a professional hospital for examination to avoid delaying the condition.