Can long-term eat pill of 6 flavour rehmannia cure

Liuwei Dihuang Pill is a kind of Chinese patent medicine. It is composed of prepared rehmannia root, Huai yam, steamed cornus meat, Alisma orientalis, Poria cocos, peony bark, etc. It has the effect of nourishing yin and kidney and replenishing essence. It can be used to treat dizziness, tinnitus, soreness of waist and knees, hot flashes, night sweats, dry mouth and other manifestations caused by kidney yin deficiency or kidney essence deficiency. If there is indeed kidney yin deficiency performance, need a long time treatment, can take Liuwei Dihuang pill, general disease can be cured. If there is no kidney yin deficiency, not suitable for a long time to take.