NINDS Chronic Pain Information Page
Table of Contents (click to jump to sections)
What is Chronic Pain?
Is there any treatment?
What is the prognosis?
What research is being done?
Organizations
Related NINDS Publications and Information
Additional resources from MEDLINEplus
What is Chronic Pain?
While acute pain is a normal sensation triggered in the nervous system to alert you to possible injury and the need to take care of yourself, chronic pain is different. Chronic pain persists. Pain signals keep firing in the nervous system for weeks, months, even years. There may have been an initial mishap -- sprained back, serious infection, or there may be an ongoing cause of pain -- arthritis, cancer, ear infection, but some people suffer chronic pain in the absence of any past injury or evidence of body damage. Many chronic pain conditions affect older adults. Common chronic pain complaints include headache, low back pain, cancer pain, arthritis pain, neurogenic pain (pain resulting from damage to the peripheral nerves or to the central nervous system itself), psychogenic pain (pain not due to past disease or injury or any visible sign of damage inside or outside the nervous system).
Is there any treatment?
Medications, acupuncture, local electrical stimulation, and brain stimulation, as well as surgery, are some treatments for chronic pain. Some physicians use placebos, which in some cases has resulted in a lessening or elimination of pain. Psychotherapy, relaxation and medication therapies, biofeedback, and behavior modification may also be employed to treat chronic pain.
What is the prognosis?
Many people with chronic pain can be helped if they understand all the causes of pain and the many and varied steps that can be taken to undo what chronic pain has done. Scientists believe that advances in neuroscience will lead to more and better treatments for chronic pain in the years to come.
What research is being done?
Clinical investigators have tested chronic pain patients and found that they often have lower-than-normal levels of endorphins in their spinal fluid. Investigations of acupuncture include wiring the needles to stimulate nerve endings electrically (electroacupuncture), which some researchers believe activates endorphin systems. Other experiments with acupuncture have shown that there are higher levels of endorphins in cerebrospinal fluid following acupuncture. Investigators are studying the effect of stress on the experience of chronic pain. Chemists are synthesizing new analgesics and discovering painkilling virtues in drugs not normally prescribed for pain.
Select this link to view a list of studies currently seeking patients.
Organizations
National Institute of Dental and Craniofacial Research (NIDCR) National Institutes of Health, DHHS 31 Center Drive, Room 5B-55 Bethesda, MD 20892 Tel: 301-496-4261 | American Chronic Pain Association (ACPA) P.O. Box 850 Rocklin, CA 95677-0850 Tel: 916-632-0922 800-533-3231 Fax: 916-632-3208 |
American Council for Headache Education 19 Mantua Road Mt. Royal, NJ 08061 Tel: 856-423-0258 800-255-ACHE (255-2243) Fax: 856-423-0082 | National Headache Foundation 820 N. Orleans Suite 217 Chicago, IL 60610-3132 Tel: 312-274-2650 888-NHF-5552 (643-5552) Fax: 312-640-9049 |
National Foundation for the Treatment of Pain P.O. Box 70045 Houston, TX 77270 Tel: 713-862-9332 Fax: 713-862-9346 | Mayday Fund [For Pain Research] c/o SPG 136 West 21st Street, 6th Floor New York, NY 10011 Tel: 212-366-6970 Fax: 212-366-6979 |
American Pain Foundation 201 North Charles Street Suite 710 Baltimore, MD 21201-4111 Tel: 888-615-PAIN (7246) Fax: 410-385-1832 | Arthritis Foundation 1330 West Peachtree Street Suite 100 Atlanta, GA 30309 Tel: 800-568-4045 404-872-7100 404-965-7888 Fax: 404-872-0457 |
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