Treated Conditions / Neurological / Migraines – Headaches

Migraines are painful headaches often accompanied by nausea, vomiting, and sensitivity to light.

Who Gets Migraines?

The National Headache Foundation estimates that 28 million Americans suffer from migraines. More women than men get migraines and a quarter of all women with migraines suffer four or more attacks a month; 35% experience 1-4 severe attacks a month, and 40% experience one or less than one severe attack a month. Each migraine can last from four hours to three days. Occasionally, it will last longer.

What Causes Migraines?

The exact causes of migraines are unknown, although they are related to changes in the brain as well as to genetic causes.

People with migraines may inherit the tendency to be affected by certain migraine triggers, such as fatigue, bright lights, weather changes, and others.

For many years, scientists believed that migraines were linked to expanding and constricting blood vessels on the brain’s surface. However, it is now believed that migraines are caused by inherited abnormalities in certain areas of the brain.

There is a migraine “pain center” or generator in the brain. A migraine begins when hyperactive nerve cells send out impulses to the blood vessels, causing them to clamp down or constrict, followed by dilation (expanding) and the release of prostaglandins, serotonin, and other inflammatory substances that cause the pulsation to be painful.

What Triggers a Migraine?

Many migraines seem to be triggered by external factors. Possible triggers include:

  • Emotional stress
  • Sensitivity to specific chemicals and preservatives in foods.
  • Caffeine
  • Changing weather conditions
  • Menstrual periods
  • Excessive fatigue
  • Skipping meals
  • Changes in normal sleep pattern
Source: Webmd.com, Pain Management Guide.

 

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