Spleen and kidney yang deficiency refers to the deficiency of yang qi in the spleen and kidneys, warming the power of the cold symptoms, leading to this symptom is due to the weakness of the body cold heavier or spleen and kidneys for a long time, exhaustion of qi and injury to the yang, so the spleen and kidney yang deficiency is often manifested as body fatigue and weakness, less breath and lazy speech, abdominal distension and less food, fear of cold limbs cold, urination, loose stools or five leaks, edema or ascites, pale tongue and moss white, thin and weak pulse. Chronic enteritis, chronic nephritis, heart failure and other diseases can be seen in the above clinical manifestations. The heavy dampness, tongue with teeth marks, stool stained with toilet bowl and edema mentioned in the question are all caused by spleen and kidney yang deficiency which cannot transport water and dampness, and when the symptoms of spleen and kidney yang deficiency are improved, the heavy dampness and other symptoms will slowly disappear.

The principle of treatment for Yang deficiency of the Spleen and Kidneys is to warm the Spleen and Kidneys. The representative formula for regulating Yang deficiency of the Spleen and Kidneys and flooding of water-dampness is Zhenwu Tang (Warming Yang and Eliminating Water Soup), in which Radix Polygoni Multiflori warms the Kidneys and dispels cold, Atractylodes Macrocephala and Poria strengthens the Spleen and induces diuresis, ginger warms and disperses water-dampness, and Paeonia Lactiflora astringes yin and yang to moderate the pungent-heat of ginger and Radix Polygoni Multiflori without injuring yin, which is a very good treatment for the internal stagnation of water-dampness in Spleen and Kidney-Yang deficiency, dysuria, heavy and painful extremities and swelling of the limbs. Commonly used proprietary Chinese medicines to regulate spleen and kidney yang deficiency include Jin Gui Ren Qi Pills, Pian Zi Li Zhong Wan and Yu Gui Wan. The dizziness and redness mentioned by the questioner is a manifestation of hyperactivity of liver yang, which can be treated by taking Gentian Diarrhea Liver Pill or Qi Ju Di Huang Pill.

In addition, avoid eating cold and cold, eat more warm food such as leeks, carrots, beef and mutton, sea cucumbers, etc., usually more exercise, good at regulating emotions will help the recovery of yang energy.