Some people can experience a headache when their blood pressure,blood pressure usually has to be quite elevated to cause headache.
Flactuating Reading Head Heaviness and Neck PainHigh blood pressure can trigger an event known as malignant (severe headache) hypertension. Malignant hypertension is also referred to as a hypertensive crisis. ...
In addition to a headache, malignant hypertension usually is also associated with blurred vision, chest pain, and nausea.