Saturday, March 19, 2011

Headaches

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Here is the latest Get Fit email from Dr. Jacobs.

What type of headache do you have?

Headaches are familiar to nearly everyone: in any given year, almost 90% of men and 95% of women have at least one. In the vast majority of cases, however, the pain isn’t an omen of some terrible disease.

About 95% of headaches are caused by such common conditions as stress, fatigue, lack of sleep, hunger, changes in estrogen level, weather changes, or caffeine withdrawal. The three most common types of headache are tension, sinus, and migraine (see table below).

Mixed headaches
As understanding of the different types of headaches has evolved, researchers have altered some of their beliefs about tension and migraine headaches and the relationship between the two. This is largely because of the realization that some headaches don’t neatly fit either category. “Mixed” headaches have characteristics of both types, and because they’re hard to classify, treatment can be challenging.

For instance, the more intense a tension headache gets, the more it resembles the sharp, throbbing pain of a migraine headache. Likewise, when a migraine headache becomes more frequent, its pain begins to feel like that of a tension headache. Thus, experts now believe that headaches fall along a continuum ordered by their characteristics: the occasional tension headache is at one end and the migraine headache is at the other. In between are chronic tension headache and chronic migraine, which are often lumped together as chronic daily headache.

This doesn’t mean that all headaches share the same mechanisms. Experts still generally believe that tension headaches are stimulated by muscle tightness, while migraine headaches are caused by the dilation and inflammation of blood vessels. However, if you have migraine headaches frequently, you may develop muscle tightness, which can trigger more headaches, creating a vicious cycle.

Headache caused by a medication or illness
Some headaches are actually symptoms of another health problem. Many non-life-threatening medical conditions, such as a head cold, the flu, or a sinus infection, can cause headache. Some less common but serious causes include bleeding, infection, or a tumor. A headache can also be the only warning signal of high blood pressure (hypertension). In addition, certain medications — such as nitroglycerin, prescribed for a heart condition, and estrogen, prescribed for menopausal symptoms — are notorious causes of headache.

Because the following symptoms could indicate a significant medical problem, seek medical care promptly if you experience:
• a sudden headache that feels like a blow to the head (with or without a stiff neck)
• headache with fever
• convulsions
• persistent headache following a blow to the head
• confusion or loss of consciousness
• headache along with pain in the eye or ear
• relentless headache when you were previously headache-free
• headache that interferes with routine activities.

Always take children who have recurring headaches to the doctor, especially when the pain occurs at night or is present when the child wakes in the morning.

1 comment:

-J.Darling said...

Ever since I had my right ovary removed (which is a GOOD thing as it was a hop-skip-and-a-jump away from cancerous), I get headaches when I get PMS. They aren't unbarable, but just annoying for about 2 days, off and on. Every other time of the month, I almost never get them. I'm learning my body has all sorts of PMS symptoms that are new since the surgery, but man! Did THAT one ever catch me off gaurd! (Thankfully Ibuprofen seems to keep them under control.)

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