What kind of medicines do you take for deficiency of yang qi in the spleen and stomach?

Yang deficiency of the spleen and stomach can be treated with Chinese patent medicines Lizhong Pill and Radix Rehmanniae Pill.
Clinical manifestations of Yang deficiency in the spleen and stomach include cold pain in the epigastrium (cold pain in the stomach and abdomen), onset and offset, preference for warmth, reduced diet, decreased appetite, nausea and vomiting, fear of cold, lack of warmth in the limbs, diarrhea, etc., which is caused by the inability of Yang energy to warm the spleen and stomach.
Lizhong Pill has the efficacy of warming the middle and dispersing cold (dispersing cold evils with medicine that warms the spleen and stomach), tonifying qi and strengthening the spleen. In the formula, dry ginger warms yang and disperses cold (warming yang qi and dispersing cold evils); ginseng tonifies the spleen; atractylodes macrocephala dries dampness and strengthens the spleen; and licorice replenishes the spleen and strengthens qi. The adverse effects of this product are not known. Avoid eating seaweed, woad, peach, plum and bird meat while taking the medicine.
If the symptoms of Yang deficiency in the spleen and stomach are more serious, with severe cold pain in the epigastrium and abdomen, cold hands and feet, vomiting and diarrhea, Radix Rehmanniae Pill with Conjugated Zi can be used to warm Yang and expel Cold (warming Yang and dispelling Cold), and tonify the Qi and strengthen the spleen, i.e., adding a flavour of Radix Rehmanniae Pill with Conjugated Zi that warms Yang and disperses Cold. Adverse effects and contraindications of Radix Rehmanniae Pill are not clear. Avoid indigestible food, and should not be taken by patients with fever and cold.
Consult a Chinese medicine practitioner before taking Lizhong Pills or Radix Rehmanniae Pills, and do not take the medicine on your own to avoid adverse reactions.