Zuo Gui Wan specific how long to take to see the effect, can not be generalized, the effect varies from person to person, in general, most patients will see the effect within 2 weeks. Zuo Gui Wan contains many Chinese medicines such as tortoise shell glue, deer horn glue, ripened rhubarb, cuscuta, etc. It has the effect of nourishing yin and tonifying the kidneys, and it is mainly used to treat night sweating (sweating abnormally after going to sleep, but sweating stops after waking up), mental fatigue (lack of mental strength), dryness of the mouth, and lumbar soreness and weakness of the knees and other conditions caused by the deficiency of true yin. Due to the severity of the patient’s condition, the body’s sensitivity to drugs and other different, taking Zuo Gui Wan after the effect of time is not the same, according to the clinical use of drugs found that, if the correct use of medication, the majority of patients in the 2 weeks can be seen the effect. Mild itching of the skin may occur during the use of this drug, generally no treatment is needed, and will disappear on its own after stopping the drug. This drug should not be used by patients with colds, children and those who are allergic to the ingredients of this drug are prohibited from using the drug, pregnant women are contraindicated. If you have symptoms, you should take the medicine under the guidance of a professional physician, do not take the medicine blindly, in order to avoid delaying the condition or producing adverse reactions.