How long it takes for Niu Huang Blood Pressure Reducing Pills to work depends on the individual’s situation, with mild symptoms having a quick effect and severe ones taking longer, but those who have not had any relief from the medication for 2 weeks or whose symptoms have worsened should consult a doctor in a timely manner. Niu Huang Antihypertensive Pill is composed of artificial niu huang, antelope horn, pearl, buffalo horn concentrated powder, white peony and so on. It has the efficacy of clearing the heart, resolving phlegm, calming the liver and tranquilizing the mind. It is used for dizziness, dizziness, headache, insomnia, agitation caused by heart and liver fire, phlegm heat congestion; hypertension with the above symptoms. People with diarrhea should not take Niu Huang Blood Pressure Reducing Pills. If the patient has any discomfort, please go to the regular medical institutions; if you need to use Niu Huang Blood Pressure Reducing Pills, must be used under the guidance of a professional doctor.