Low Back Pain - Chronic


Definition

Back pain is one of the most common health complaints. Almost everyone will have back pain at some time in their life. Most of the time, the exact cause of the pain cannot be found.

This article discusses long-term (chronic) low back pain. For information on other types of low back pain that occur suddenly, see: Low back pain.


Alternative Names

Nonspecific back pain; Backache - chronic; Lumbar pain - chronic; Pain - back - chronic; Chronic back pain - low


Causes, incidence, and risk factors

One single event may not cause your pain. You may have been doing many things improperly -- such as standing or lifting -- for a long time. Then suddenly, one simple movement (such as reaching for something or bending from your waist) leads to pain.

Many people with chronic back pain have arthritis and extra wear and tear on the spine. This may be due to:

  • Heavy use from work or sports
  • Past injuries and fractures
  • Past surgery

You may have had a herniated disk, where part of the spinal disk pushed onto nearby nerves. Normally, the disks provide space and cushion in your spine. If these disks dry out and become thinner and more brittle, you can lose movement in the spine over time.

If the spaces between the spinal nerves and spinal cord become narrowed, this can lead tospinal stenosis.These problems are called degenerative joint or spine disease.

Other possible causes of chronic low back pain:

You are at greater risk for low back pain if you:

  • Are over age 30
  • Are overweight
  • Are pregnant
  • Do not exercise
  • Feel stressed or depressed
  • Have a job in which you have to do a lot of heavy lifting, bending and twisting, or that involves whole body vibration (such as truck driving or using a sandblaster)
  • Smoke

References

Henschke N, Ostelo RW, van Tulder MW, Vlaeyen JW, Morley S, Assendelft WJ, Main CJ. Behavioural treatment for chronic low-back pain. Cochrane Database Syst Rev. 2010;(7).

Clarke JA, van Tulder MW, Blomberg SE, et al. Traction for low-back pain with or without sciatica. Cochrane Database Syst Rev. 2010;(5):CD003010.

Smeets RJ, Vlaeyen JW, Hidding A, et al. Chronic low back pain: physical training, graded activity with problem solving training, or both? The one-year post-treatment results of a randomized controlled trial. Pain. 2008;134:263-276.

Urguhart DM, Hoving JL, Assendelft WW, et al. Antidepressants for non-specific low back pain. Cochrane Database Syst Rev. 2010:(10):CD001703.

Chou R, Huffman LH. Medications for acute and chronic low back pain: a review of the evidence for an American Pain Society/American College of Physicians clinical practice guideline. Ann Intern Med. 2007;147:505-514.

Chou R, Huffman LH. Nonpharmacologic therapies for acute and chronic low back pain: a review of the evidence for an American Pain Society/American College of Physicians clinical practice guideline. Ann Intern Med. 2007;147:492-504.

Misulis KE. Lower back and lower limb pain. In: Bradley WG, Daroff RB, Fenichel GM, Jankovic J, eds. Bradley: Neurology in Clinical Practice. 5th ed. Philadelphia, Pa: Butterworth-Heinemann Elsevier; 2008:chap 33.


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Review Date: 5/1/2011
Reviewed By: Kevin Sheth, MD, Department of Neurology, University of Maryland School of Medicine, Baltimore, MD. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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Last Updated 8/23/2011
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