It is not recommended to take Wuzi Yan Zong Wan for a long period of time. Generally, there will be some improvement in symptoms within four weeks of using the medicine. If the symptoms do not improve significantly after four weeks of medication, you should go to the hospital in time. The duration of the medication is not clearly defined, the medication needs to be decided according to the condition, each person’s physique is different, taking Wuzi Yan Zong Pill the effect of time is also different. The dose of Wuzi Yan Zong Pill is generally small, while the onset of effect of Chinese medicine is relatively slow, a long time uninterrupted adherence to the drug to have an effect.