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Headaches
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Headaches may be among the first symptoms of hypertension, or high blood pressure. This headache is often located at the back of the head and is usually noted upon arising in the morning. The pain is throbbing or pulsating. This headache is worsened by exercise, straining, or stooping, since these activities raise blood pressure. A diagnosis can usually be made by checking the blood pressure, which is measured as two numbers: The systolic pressure is listed above the diastolic pressure. A normal reading might be 120/80 (systolic/diastolic).
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Headaches are an almost everyday problem. More than two thirds of the population suffer, at least part of the time, from headaches. Some are even plagued with chronic headaches. Nausea, dizziness, impaired vision or speech can be unpleasant side effects. But one headache isn't quite like another. Scientists have identified 165 different
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Headaches have a variety of causes. Most are relatively trivial including those associated with alcoholic hangovers, exertion, fatigue, emotional stress, and poor posture. Some headaches have more sinister implications and may be associated with food poisoning, very high blood pressure, or brain damage after a blow to the head.
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Headaches can have many causes, but serious causes of headaches are rare. Sometimes headaches warn of a more serious disorder. Let your health care provider know if you have sudden, severe headaches. Get medical help right away if you have a headache after a blow to your head, or if you have a headache along with a stiff neck, fever, confusion, loss of consciousness or pain in the eye or ear.
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Headaches in general are very common in the adult population in North America. The American Council for Headache Education (ACHE) estimates that 95% of women and 90% of men in the United States and Canada have had at least one headache in the past 12 months. Most of these are tension headaches. Tension headaches may begin in childhood in some patients, but most commonly start in adolescence or the early 20s. The gender ratio for episodic tension headaches is about 1.4 F:1 M; for chronic tension headaches, 1.9 F:1 M.
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Headaches account for about 10 million visits to physicians' offices each year—not counting visits to nonphysicians, chiropractors, hypnotists, or other health care providers who offer headache relief. But as common as the condition is, it is still in many respects a mystery. Researchers aren't exactly sure what causes headaches or which people are more susceptible, though they believe a biological predisposition may be responsible and that overuse of pain-relievers and caffeine can make them worse. Likewise, doctors can't always tell what kind of headache an individual has and therefore what kind of medicine would be best.
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