How long do you usually take Zuo Gui Wan

Zuo Gui Wan should be discontinued immediately if there is no improvement in symptoms or worsening of symptoms during two weeks or during the period of taking the medicine, or new serious symptoms appear, and should not be taken for a long time.
Zuo Gui Wan has the effect of nourishing the kidney and tonifying yin, and is often used in patients with true yin deficiency (kidney yin insufficiency). The side effects of Zuo Gui Wan, although not yet clear, are not suitable for long-term use, as prolonged or regular use of the drug may easily damage the function of the spleen and stomach. If the desired therapeutic effect is achieved after taking Zuo Gui Wan, there is no need to continue taking the medicine based on safety considerations.
Zuo Gui Wan is contraindicated in pregnant women and is forbidden for children; it should be discontinued when there is a new cold or fever during the period of taking the medicine, so as to avoid aggravation of the cold or recurrence of the disease.
Before taking this medicine, you need to be guided by a traditional Chinese medicine practitioner for identification, and you should not take the medicine on your own, so as not to cause adverse consequences to the body.