Overdose of antihypertensive drugs blood pressure drop too low leading to insufficient blood supply to the brain and other conditions, or there are sodium and potassium and other electrolyte abnormalities, there may be symptoms of numbness of the face. Taking larger doses of antihypertensive drugs at one time or several times may easily lead to low blood pressure, in which case dizziness, fatigue or even numbness in the face may occur, which may be related to insufficient blood supply to the brain with low blood pressure, and in severe cases, may result in acute cerebral infarction. There may also be due to excessive diuresis caused by the body of sodium and potassium and other electrolyte abnormalities, will not only affect the normal function of the cardiovascular and cerebral vascular, but also on the nerve conduction to have a certain impact, which may also appear face numbness performance. In the process of taking antihypertensive drugs, dizziness, fatigue, face numbness and other conditions should be timely medical care, improve blood pressure, head CT, head magnetic resonance diffusion-weighted imaging, electrolytes and other checks, if necessary, comply with the doctor’s instructions and active treatment.