The efficacy of yam and huang jing taken together is to nourish yin and benefit qi, stopping leucorrhea and astringent essence, tonifying the lungs, kidneys and spleen.
1. Yam, the dried rhizome of the plant Dioscoreaceae, is effective in stopping leucorrhea and astringent essence, tonifying the spleen, lungs and kidneys, and nourishing yin and benefiting qi, and it is mainly used to treat excessive leucorrhea, dampness and deficiency of the spleen, cough and deficiency of the lungs, and loose stools and diarrhea. However, it is not suitable for patients with stagnation or those who are full of dampness (too much dampness leading to fullness and discomfort in the spleen and stomach).
2. Huang Jing is the dried rhizome of Huang Jing of the lily family, and its effects include moistening the lungs, nourishing the yin and tonifying the qi, benefiting the kidneys, and strengthening the spleen, and it is mainly used to treat lumbar and knee soreness, premature whitening of the beard and hair, coughing and lung deficiency, and deficiency of qi in the spleen and stomach. However, it is not suitable for patients with qi stagnation and abdominal fullness, patients with spleen deficiency and dampness obstruction, and patients with phlegm-dampness congestion.
It should be noted that if patients need to use Yam Huang Jing, it is recommended to use it under the guidance of a doctor to avoid delays.