How long does it take for a kidney yin deficiency patient to take Liu Wei Di Huang Wan to take effect is related to their specific condition and cannot be generalized. The clinical manifestations of kidney yin deficiency include dizziness, tinnitus, night sweats, and women may experience low menstruation or menopause. It is also possible to improve kidney function and promote metabolism. As Liu Wei Di Huang Wan has the effect of nourishing Yin and tonifying the kidneys, if the patient’s condition is mild, the condition can gradually improve after taking it for about 1 month, if the patient’s condition is severe, the treatment time needs to be extended, and some patients even need to take it for 1 year to recover. If the symptoms are not relieved or worsened after taking the medication, it is recommended to consult a Chinese medicine physician and adjust the medication according to your condition under the advice of your doctor. In addition, it is recommended to abstain from sexual intercourse during the medication period, as well as to exercise appropriately and to eat as light and spicy as possible.