Why is my head often dizzy recently still a bit painful how is this to return a responsibility

Head is always dizzy and accompanied by headache may be caused by insufficient sleep, mental stress, overwork and other factors, but also may be related to hypertension, hypoglycemia, malnutrition, anemia, cerebral infarction, myocardial ischemia and other diseases, it is recommended to go to the hospital for further examination, if caused by hypertension, can be treated with oral antihypertensive drugs.