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Migraine

Migraine is a neurologic disease, of which the most common symptom is an intense and disabling headache. Migraine is the most common type of vascular headache. Migraine headaches are usually characterized by severe pain on one or both sides of the head, an upset stomach, and at times disturbed vision. The word "migraine" comes from the Greek construction "hemikranion" (ημικρανίον, pain affecting one side of the head) . more...

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Signs & Symptoms

Migraine with aura is a neurological disease characterized by flare-ups generally referred to as "migraine attacks." "Aura" refers to the non-headache features of migraine that often happen before. It is possible to have a migraine attack marked by other symptoms and no headache at all, which is called acephalgic migraine. Many migraine sufferers have headache without aura. Migraine had been thought to be caused by vasodilation in the head and neck; however, newer research suggests that vascular dilation associated with migraine is a symptom of migraine, not the cause of migraine symptoms.

Blood vessel diameter is under neurochemical control; in other words, blood vessels dilate during a migraine episode because the nervous system tells them to. The cause of the pain itself is from activation of the trigeminal nerve. This theory is still being examined though. The trigger of the migraine may be overactivity of nerve cells in certain areas of the brain (for example, the raphe nucleus). Often a migraine episode is associated with strong emotional expression or psychic tension, but those may be migraine symptoms rather than migraine triggers.

The pain from a migraine is typically one-sided, though it may encompass the whole head, or move from side-to-side as the migraine progresses. Additionally, the pain from a migraine is usually described as throbbing and moderate to severe in intensity. Migraines are frequently accompanied by nausea/vomiting and either photophobia (excessive sensitivity to light) or phonophobia (excessive sensitivity to sound), causing the sufferer to seek a dark, quiet room for recovery.

In migraine with aura, formerly called classical migraine, the headache phase is preceded or accompanied by a group of specific symptoms called aura, most commonly experienced as a visual disturbance prior to the attack. Aura usually lasts less than 60 minutes, and in those who suffer migraine with aura there is generally little time between the onset of aura and the onset of the attack. Migraine without aura, formerly called common migraine, in contrast to migraine with aura, lacks any manifestations associated with headache. Some experience aura without migraine, a condition formerly called amigrainous migraine or optical migraine, now usually called acephalgic migraine. Although sometimes comparable in severity, the symptoms of migraine differ from those of cluster headache.

Visual aura can include castellated scotoma or fortification spectra, multicolored zig-zag patterns which can cover a large part of the visual field of one eye (sometimes both). Other types of visual aura involve distortions in perception of color, such as color bleeding or the appearance of halos, or as a white spot in the visual field, similar to when a camera flash temporarily "blinds" your vision. While the most common type of aura is visual, it can manifest as any specific neurological symptom complex. Some experience tingling sensations called paresthesias or disturbances of other regions of the brain (such as language ability or smell) instead of a visual aura, either as an occasional alternate or as their normal aura. Aura need not be related to the five senses: many migraineurs experience a prodrome, a vague feeling that things are just not right. While the types and severity of aura can be extremely diverse, a given sufferer will generally experience similar manifestations of aura with each migraine attack. Many people experience difficulty in speaking and/or forming cohesive syntax.

Read more at Wikipedia.org


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Stopping migraine pain: don't let the doctor dismiss your migraine symptoms. New medicines and treatments are giving millions of women relief from the
From Better Homes & Gardens, 4/1/03 by Kathleen M. Heins

Imagine head pain so incapacitating that you must retreat to a dark, quiet room where you lie in agony waiting for it to subside. Diana Burlew, of Fairfield Township, Ohio, knows all about it. For the past 20 years, she has suffered from excruciating pain that hits her like clockwork the week of her menstrual period. "You almost feel that if you were to slam your head against the wall it would somehow feel better," says Diana. That's what migraine headaches will do to you.

A complex disorder, migraines are more common than asthma, diabetes, or congestive heart failure. They inflict severe and often debilitating pain on about 26 million Americans, 75 percent of them women who, like Diana, are twice as likely to experience migraine during the first two days of their menstrual cycle than the rest of the month. Yet despite major advancements in treatment, a recent National Headache Foundation study estimates that less than half of migraine sufferers seek any kind of medical relief.

Even if they did ask for help, it's possible sufferers might not get the treatment and support they need. Migraines are often still unjustifiably linked to psychological problems, particularly among women, says Richard B. Lipton, MD, professor of neurology at Albert Einstein College of Medicine of Yeshiva University in the Bronx, New York. In short, women are more likely to have their pain dismissed as being more imagined than real, he says.

FEELING YOUR PAIN

But migraines are all too real. According to recent estimates, migraines cost American businesses some $13 billion in lost work or reduced productivity each year. Most sufferers miss an average of two days of work a month as a result of migraine-related problems.

Research has identified a specific set of symptoms and warning signs: Typically lasting anywhere from an hour to several days, the pain from a migraine is usually throbbing and, unlike a regular headache, often unbearable.

"If the headache is bad enough to disable you, the odds are it's a migraine," says Stephen D. Silberstein, MD, director of the Jefferson Headache Center at Thomas Jefferson University Hospital in Philadelphia. Specific signs of migraine pain include:

* Pain on only one side of the head.

* Accompanying nausea and vomiting.

* Sensitivity to motion, light, sound, and odors.

* Post-migraine "hangover"--sufferers are often left feeling depleted of energy after the pain subsides.

Some sufferers have a warning, known as an aura, before the painful part of the attack begins. Typically lasting 5 to 30 minutes, an aura can come in the form of a flickering or zigzag light in the field of vision.

AVOIDING THE AGONY

There are some effective medications--ranging from over-the-counter migraine pain relievers to prescription class drugs like triptans (Imitrex, Zomig, Amerge), which work to abort acute migraine headaches by narrowing blood vessels and reducing blood flow in the brain.

But excessive use of both over-the-counter treatments and prescription medicines can actually lead to drug dependency, and even cause chronic headaches that persist despite the use of medication. So in addition to drugs, most migraine experts recommend making lifestyle changes to help prevent migraines and minimize pain when migraines strike. Here are some tips.

Keep track of possible causes. Classic migraine triggers include all of the following:

* Aged cheeses, red wines, certain nuts, and an overall high-fat diet are common migraine inducers. "Keep a food diary every day and log in every time you get a migraine," says Cindy Moore, registered dietitian and spokesperson for the American Dietetic Association. Doing this will help you draw a link between migraine episodes and problem foods.

* Suddenly changing your caffeine intake, either increasing or decreasing. If you're trying to cut back on coffee or caffeinated beverages, do it gradually.

* Skipping meals or fasting.

* Changes in the environment: weather or time zones; inadequate, fluorescent, glaring, or flickering lights (including your computer screen); strong odors; loud noises; or high altitudes.

* Tobacco, including secondhand smoke.

* Not drinking enough water, especially if you do drink a lot of caffeinated beverages, which are dehydrating.

* Too much or too little sleep. Maintain a regular sleep schedule.

Take time for you. Stress is a well-known migraine trigger. Make time for exercise, even if it's a quiet, brisk 20-minute walk every day. Explore other stress-reducing options, such as yoga, biofeedback, and therapies that promote relaxation. They can reduce frequency and severity of migraines.

KIDS GET MIGRAINES TOO

Megan Burlew, 13, of Fairfield Township, Ohio, shares her mom Diana's struggle with migraine pain. Megan's headaches often leave her slumped over her desk or scrunched down in her bus seat in agony. "They feel like someone is hitting me on the head," she says.

About 8 to 10 percent of American children suffer from migraines. If you have migraines, your child has a 50 percent chance of having them too. If both you and your spouse have them, that risk increases to 75 percent.

So far, the U.S. Food and Drug Administration has not approved the use of migraine medications for children under the age of 18. But children, like adults, can decrease the risk of headaches by drinking more water, cutting back on caffeine, getting enough sleep, eating right, and not skipping meals.

Kids get headaches just like everyone else. But if your child seems to be having headaches with any kind of frequency, talk to a pediatrician about it--even if there is no family history of migraines, stresses Scott W. Powers, Ph.D., a migraine researcher at Cincinnati Children's Hospital Medical Center. And don't think your child might be too young to have migraines. Powers has treated children as young as 3 years.

COPYRIGHT 2003 Meredith Corporation

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