How long is one course of treatment for Liuwei Dihuang Pills?

The usual course of Liuwei Dihuang Pills is 15 to 30 days. However, the specific duration should be determined according to individual factors such as the patient's constitution and severity of the condition. 1. **Drug Properties and Effects**: Liuwei Dihuang Pills are primarily composed of six traditional Chinese herbs: Rehmannia glutinosa (prepared), Cornus officinalis (steamed with wine), Moutan cortex, Dioscorea opposita, Poria cocos, and Alisma plantago-aquatica. These ingredients work together to nourish yin and tonify the kidneys. The formula is commonly used to treat symptoms caused by yin deficiency, such as soreness and weakness in the lower back and knees, dizziness, tinnitus, nocturnal emission, and night sweats. 2. **Individual Differences**: Due to variations in individual constitutions, the required treatment duration may differ from person to person. Generally, patients with mild symptoms may see improvement within about two weeks, while those with more severe symptoms or longer disease duration may require a longer treatment period.