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From the National Institutes of HealthNational Institutes of Health

Sciatica is a symptom of a problem with the sciatic nerve, the largest nerve in the body. It controls muscles in the back of your knee and lower leg and provides feeling to the back of your thigh, part of your lower leg, and the sole of your foot. When you have sciatica, you have pain, weakness, numbness, or tingling. It can start in the lower back and extend down your leg to your calf, foot, or even your toes. It's usually on only one side of your body.

Causes of sciatica include

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Illustration of sciatic nerve damage
Results 1 - 10 of 63 for sciatica
  1. Sciatica (National Library of Medicine)  
    Sciatica is a symptom of a problem with the sciatic nerve, the largest nerve in the body. ... the sole of your foot. When you have sciatica, you have pain, weakness, numbness, or tingling. It ...
    www.nlm.nih.gov/medlineplus/sciatica.html - Health Topics
  2. Sciatica (Mayo Foundation for Medical Education and Research)  
    ... may be reprinted for personal, noncommercial use only. Sciatica By Mayo Clinic staff Original Article: http://www.mayoclinic.com/health/sciatica/DS00516 Definition Symptoms Causes Risk factors Complications Preparing ...
    www.mayoclinic.com/.../DS00516/METHOD=print&DSECTION=all - External Health Links
  3. JAMA Patient Page: Sciatica (American Medical Association)  
    ... Previous Article JAMA Patient Page | July 8, 2009 Sciatica FREE Carolyn J. Hildreth, MD; Cassio Lynm, MA; ... Published online Article Figures Figures in this Article Sciatica is the term for low back pain that ...
    jama.jamanetwork.com/article.aspx?articleid=184229 - External Health Links
  4. Sciatica 
    Sciatica refers to pain, weakness, numbness, or tingling in the leg. It is caused by injury to or pressure on the sciatic nerve. Sciatica is a symptom of another medical problem, not ...
    www.nlm.nih.gov/medlineplus/ency/article/000686.htm - Medical Encyclopedia
  5. Sciatica (American Academy of Orthopaedic Surgeons)  
    ... Resources Copyright 2007 American Academy of Orthopaedic Surgeons Sciatica If you suddenly start feeling pain in your ... the sciatic nerve. This condition is known as sciatica. Symptoms Sciatica may feel like a bad leg ...
    orthoinfo.aaos.org/topic.cfm?topic=A00351 - External Health Links
  6. ClinicalTrials.gov: Sciatica From the National Institutes of Health (National Institutes of Health)  
    clinicaltrials.gov/search/open/condition="Sciatica" - External Health Links
  7. Pain: Hope through Research From the National Institutes of Health (National Institute of Neurological Disorders and Stroke)  
    ... tendonitis or tenosynovitis, affecting one or more tendons. Sciatica is a painful condition caused by pressure on ... down into the thighs, legs, ankles, and feet. Sciatica is characterized by pain in the buttocks and ...
    www.ninds.nih.gov/.../chronic_pain/detail_chronic_pain.htm - External Health Links
  8. Spine MRIs Often Show Harmless 'Defects,' Study Finds 
    ... of patients with lumbar-disk herniation and persistent sciatica. But some experts say spine imaging is overused ... designed to compare surgery to conservative care for sciatica, which is pain or weakness that radiates from ...
    www.nlm.nih.gov/medlineplus/news/fullstory_134895.html - News
  9. Back Pain From the National Institutes of Health (National Institute of Arthritis and Musculoskeletal and Skin Diseases)  
    ... low back pain and low back pain with sciatica. (Sciatica is back pain that radiates to the hip ... first group have chronic low back pain and sciatica, and they are often diagnosed with a herniated ...
    www.niams.nih.gov/Health_Info/Back_Pain/default.asp - External Health Links
  10. Lumbar Spinal Stenosis (American Academy of Orthopaedic Surgeons)  
    ... the buttocks that radiates down the leg — called sciatica — is caused by this pressure. Printed with permission ... p. 770. Burning pain in buttocks or legs (sciatica). Pressure on spinal nerves can result in pain ...
    orthoinfo.aaos.org/topic.cfm?topic=A00329 - External Health Links
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