How long it takes to see results when taking Zhengtian Pills for headaches varies from person to person and also depends on the severity of the condition. If the patient is sensitive to Zhengtian Pills and the symptoms of headache are mild, then 1-2 days, the effect can appear. Some patients with moderate headaches and longer headaches need to take Zhengtian Pills orally, which is estimated to be effective in 1-2 weeks. When patients take Zhengtian Pills orally, they can also cooperate with Gouweixin and vitamin B6, as well as Xibirin, the combined treatment of headache will be more effective. Zhengtian Pills are usually taken 3 times a day, 5 boxes for a course of treatment, 2 consecutive courses of treatment, for headache patients the effect is better. After 2 courses of treatment, you can stop taking the medicine for 15 days, and then apply for another 1-2 courses of treatment.