According to the results of an epidemiological survey conducted from 2008 to 2010, the total prevalence of headaches in China, not counting headaches caused by colds, alcohol consumption and other causes, has reached 28.5 per cent; 4.8 per cent of people experience headaches on any given day; and one in 100 people is suffering from headaches at any given moment. In addition, more than 80% of headache sufferers have primary headaches for which no exact cause can be found, while a few have organic pathologies (mostly more serious diseases). Because headaches are so common and rarely immediately life-threatening, many people do not go to the hospital right away for headaches, but rather put it off, carry on, and at best go to the drugstore to buy some painkillers for relief. What diseases are headaches related to? When should I go to the hospital? 1, headache and accompanied by hemiplegia, aphasia, to be alert to acute cerebrovascular disease, to rush to the doctor. 2, sudden headache, and accompanied by fever, rash, alert to brain infection. 3, throbbing dull pain, head with a sense of tension, aggravated by shaking the head or exertion, accompanied by dizziness, the patient’s usual blood pressure is unstable, may be hypertensive headache. This situation may be secondary to cerebrovascular accidents, headache after blood pressure measurement found to be elevated, to go to the hospital in time for treatment. 4, headache patients have a history of rhinitis, sinusitis, may be a recurrence of the old disease, to the ENT check. Rhinitis, sinusitis will cause patients with intranasal congestion and swelling, blocking the sinus openings, poor ventilation and drainage, resulting in obstructive headache, when the sinus air absorption is negative pressure can cause vacuum headache. 5, a headache when you read a book, or a headache when you look at near objects or distant objects for a long time, go to the ophthalmology department. The eyes and the head share some sensory nerves, so some eye diseases can cause headaches, such as hidden strabismus, light polymerization incomplete. In addition, vision is normal but reading appears to be sensitive to light, eyeball swelling, orbital soreness, foreign body sensation, etc., may be caused by visual fatigue. 6.Frequent headache, and taking painkillers can not improve the symptoms, go to see the neurology. If the meningioma grows in the area that affects the sensory area and the motor sensory area, the patient will have blurred vision, unsteady walking, and even the brain pressure rises in the middle of the night, resulting in severe headache in the middle of the night. This is a very dangerous situation and should be treated promptly by a doctor. In addition, few headaches before, a sudden headache should be more alert, see a neurologist in time. 7, office workers, mahjong people, students, computer people, cell phone people and women often headache, cervicogenic headache. Cervicogenic headache patients do not casually massage pressure, more can not easily accept the “trigger neck” treatment. 8, often headache, especially tired, cold, drinking, emotional fluctuations appear, may have suffered from migraine. It is understood that the annual prevalence of migraine in the population is 9,3%, women are twice as many as men. In addition to headache, accompanied by nausea, vomiting, photophobia, photophobia and other manifestations, mostly migraine. 9, work pressure or encountered very tense things, head bilateral pain, a sense of pressure and heavy tightness, like wearing a spell, not accompanied by nausea and vomiting, should be tension-type headache. There are 10, 8% of the population suffer from this torture, to relieve tension headache, can not rely on painkillers, mainly from the elimination of mental over-anxiety and tension to start. 10, headache after urination, to the urology department. It is understood that the typical manifestation of bladder pheochromocytoma is hypertension, hematuria and diabetes, especially when the bladder is distended, the patient will have a paroxysmal hypertension, which will lead to symptoms such as accelerated pulse, headache, sweating, pallor and so on, and the symptoms will reach the peak during urination, and even fainting.