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What causes sciatica?

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Sciatica is caused by irritation of the root(s) of the lower lumbar and lumbosacral spine.

Additional common causes of sciatica include:

  • Lumbar spinal stenosis (narrowing of the spinal canal in the lower back)
  • Degenerative disc disease (breakdown of discs, which act as cushions between the vertebrae)
  • Spondylolisthesis (a condition in which one vertebra slips forward over another one)
  • Pregnancy
  • Muscle spasm in the back or buttocks

From: Pain Management and Sciatica WebMD Medical Reference

SOURCE: 

 

Cleveland Clinic.

Reviewed by Melinda Ratini on March 13, 2018

SOURCE: 

 

Cleveland Clinic.

Reviewed by Melinda Ratini on March 13, 2018

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What worsens sciatica pain?

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