Patients are prone to headache and dizziness when blood pressure is low, and elevating blood pressure helps to relieve the symptoms: first, caused by organic heart disease, most commonly acute myocardial infarction causing low blood pressure, headache and dizziness, attention should be paid to the treatment of the primary cause, such as emergency coronary angiography to open the occluded coronary arteries, followed by optimal drug therapy, such as aspirin, Tegretol, atorvastatin, etc. The main treatment for low blood pressure The main treatment for low blood pressure is to use drugs that raise blood pressure, such as dopamine and norepinephrine. Secondly, headache, dizziness and low blood pressure caused by drugs are most commonly seen in patients with coronary artery disease who are treated with nitrate drugs, which have a certain effect of lowering blood pressure and at the same time can dilate the cerebral blood vessels causing headache and dizziness, and stop using isosorbide mononitrate and switch to Musk Heart Pill to help relieve the symptoms.