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Plantar Fasciitis

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Plantar fasciitis (say "PLAN-ter fash-ee-EYE-tus") is the most common cause of heel pain. The plantar fascia camera.gif is the flat band of tissue (ligament) that connects your heel bone to your toes. It supports the arch of your foot. If you strain your plantar fascia, it gets weak, swollen, and irritated (inflamed). Then your heel or the bottom of your foot hurts when you stand or walk.

Plantar fasciitis is common in middle-aged people. It also occurs in younger people who are on their feet a lot, like athletes or soldiers. It can happen in one foot or both feet.

Plantar fasciitis is caused by straining the ligament that supports your arch. Repeated strain can cause tiny tears in the ligament. These can lead to pain and swelling. This is more likely to happen if:

  • Your feet roll inward too much when you walk (excessive pronation camera.gif).
  • You have high arches or flat feet.
  • You walk, stand, or run for long periods of time, especially on hard surfaces.
  • You are overweight.
  • You wear shoes that don't fit well or are worn out.
  • You have tight Achilles tendons or calf muscles.

Most people with plantar fasciitis have pain when they take their first steps after they get out of bed or sit for a long time. You may have less stiffness and pain after you take a few steps. But your foot may hurt more as the day goes on. It may hurt the most when you climb stairs or after you stand for a long time.

If you have foot pain at night, you may have a different problem, such as arthritis, or a nerve problem such as tarsal tunnel syndrome.

Your doctor will check your feet and watch you stand and walk. He or she will also ask questions about:

  • Your past health, including what illnesses or injuries you have had.
  • Your symptoms, such as where the pain is and what time of day your foot hurts most.
  • How active you are and what types of physical activity you do.

Your doctor may take an X-ray of your foot if he or she suspects a problem with the bones of your foot, such as a stress fracture.

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WebMD Medical Reference from Healthwise

Last Updated: July 09, 2013
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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