The bones
(vertebrae) that form the
spine in your back are cushioned by small, spongy
discs. When these discs are healthy, they act as shock absorbers for the spine
and keep the spine flexible. But when a disc is damaged, it may bulge or break
open. This is called a herniated disc. It may also be called a slipped or
ruptured disc.
See a picture of a herniated disc.
You can have a herniated disc in any part of your spine. But most herniated discs affect the lower back (lumbar spine). Some happen in the neck (cervical spine) and, more rarely, in the upper back (thoracic spine). This topic focuses mainly on the lower back.
A herniated disc may be caused by:
When a herniated disc presses on nerve roots, it can cause pain, numbness, and weakness in the area of the body where the nerve travels. A herniated disc in the lower back can cause pain and numbness in the buttock and down the leg. This is called sciatica (say "sy-AT-ih-kuh"). Sciatica is the most common symptom of a herniated disc in the low back.
If a herniated disc is not pressing on a nerve, you may have a backache or no pain at all.
If you have weakness or numbness in both legs, along with loss of bladder or bowel control, seek medical care right away. This could be a sign of a rare but serious problem called cauda equina syndrome.
Your doctor may diagnose a herniated disc by asking questions about your symptoms and examining you. If your symptoms clearly point to a herniated disc, you may not need tests.
Sometimes a doctor will do tests such as an MRI or a CT scan to confirm a herniated disc or rule out other health problems.
Symptoms from a herniated disc usually get better in a few weeks or months. To help you recover:
Usually a herniated disc will heal on its own over time. About half of people with a herniated disc get better within 1 month, and most are better within 6 months. Only about 1 person in 10 eventually has surgery.1
Be patient, and stay with your treatment. If your symptoms don't get better in a few months, you may want to talk to your doctor about surgery.
After you have hurt your back, you are more likely to have back problems in the future. To help keep your back healthy:
Frequently Asked Questions
Learning about herniated disc: | |
Being diagnosed: | |
Getting treatment: | |
Ongoing concerns: |

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A herniated disc usually is caused by wear and tear of the disc (also called disc degeneration). As we age, our vertebral discs lose some of the fluid that helps them maintain flexibility. A herniated disc also may result from injuries to the spine, which may cause tiny tears or cracks in the outer layer (annulus or capsule) of the disc. The jellylike material inside the disc (nucleus) may be forced out through the tears or cracks in the capsule, which causes the disc to bulge, break open (rupture), or break into fragments. See a picture of a herniated disc.
Injury to the disc can occur from:
Symptoms of a herniated disc vary greatly depending on the position of the herniated disc and the size of the herniation.
If the herniated disc is:
Leg pain caused by a herniated disc:
Nerve-related symptoms caused by a herniated disc include:
Other symptoms of a herniated disc include severe deep muscle pain and muscle spasms.
The gradual wearing out of spinal discs is a natural part of aging that can often lead to a herniated disc. But only a few people who have herniated discs have severe or troublesome symptoms.
Due to age, injury, or both, a disc's outer layer, the capsule or annulus, may dry out and develop tiny cracks. This causes the disc to bulge, break open (rupture), or break apart. Often herniated discs bulge but do not rupture or break apart.
Any of these stages can cause pressure on a nerve root and symptoms of pain and numbness.
The cracks in the disc capsule do not repair themselves, but the pain usually fades over time. About 50% of people with a herniated disc in the low back recover within 1 month. And within 6 months, most recover.1
Often material from a herniated disc is broken down and absorbed by the body, a process called resorption. In about 2 out of 3 people, the disc herniation is at least partly gone after 6 months.2
Long-term herniated disc problems can develop.
Compression of the bundle of nerve roots in the lower back (lower lumbar region) can lead to weakness in both legs, and the loss of bowel, bladder, and sexual function. This rare condition, called cauda equina syndrome, requires immediate medical attention.
There are various risk factors for a herniated disc.
There are some things you cannot change. But if you know about them, you can be prepared to consider how they will affect you. These include:
Some risk factors you can change, with lifestyle changes or medical treatment. If you take steps to limit the risks from these factors, you can decrease your overall risk of having a herniated disc. Risk factors you can change include:
Call 911 or other emergency services immediately if:
Call your doctor if:
If you have pain, numbness, or tingling in one leg that gets worse with sitting, standing, or walking (without any obvious leg weakness):
For diagnosis and nonsurgical treatment of a herniated disc, you may see:
For diagnosis and surgical treatment of a herniated disc, specialists include:
To prepare for your appointment, see the topic Making the Most of Your Appointment.
Your doctor will evaluate your symptoms of leg and back pain using a medical history and physical exam. Your diagnosis will be based on any features that point to irritation of one or more spinal nerves and to the loss of strength, sensation, or reflexes that are normally associated with the nerve or nerves. If your medical history and physical exam suggest you have a herniated disc, you will probably not need additional tests during your first medical visit.
Imaging tests may help confirm a diagnosis of a herniated disc or may be needed when nonsurgical treatment has not worked to relieve pain. If you still have symptoms after 4 weeks of nonsurgical treatment, your doctor may recommend imaging tests. If the results of an imaging test are not expected to change a treatment decision, the test is probably not needed.
An MRI is generally preferred over a CT scan for diagnosing a suspected herniated disc in the lower back (lumbar spine).
X-rays generally are not useful or needed for diagnosing a herniated disc. But if your medical history and physical exam suggest a more serious condition (such as a tumor, infection, fracture, or severe nerve damage), or if your leg pain and other symptoms do not get better after 4 weeks of nonsurgical treatment, your doctor may order X-rays. Other tests, such as blood tests, may be done to rule out other conditions.
The following imaging tests are not used as often as an MRI or a CT scan, but they may give your doctor additional information:
The goals of treatment for a herniated disc are to:
Because inflammation usually fades over time, about 50% of people with a herniated disc in the low back recover within 1 month. And within 6 months, most people recover. Only 10% of people with herniated disc problems that cause noticeable symptoms eventually have surgery.1
Often a herniated disc heals on its own as the jellylike material (nucleus) inside the disc is broken down and absorbed by the body, a process called resorption. For this reason, nonsurgical treatment is typically recommended before surgery is considered.
Nonsurgical treatment is intended to help you return to your daily activities and usually includes:
Education. Learn how to take care of your back, which may include training in pain and symptom control. Your doctor may recommend physical therapy. A physical therapist can provide treatment with physical or mechanical means—such as through exercise or heat—and teach you exercises to do at home to strengthen the muscles that support your lower back.
Rest. Your doctor may recommend a short period of rest or reduced activity followed by a gradual increase in activity.
Pain relief. Some people can deal with pain without medicine if they know there is a good chance it will go away on its own. But you can use medicine to control pain and inflammation. Pain medicines include:
Exercise. Keep active and use exercises, as recommended by your doctor or physical therapist, to help you return to your usual level of activity. Core stabilization exercises can help you strengthen the muscles of your trunk to protect your back.
Surgery is eventually the treatment for about 10% of people who have a herniated disc. Surgery can be a good choice for people who have nerve damage that is getting worse, or severe weakness or numbness, or if pain is not improved after at least 4 weeks of nonsurgical treatment.1 The most common and effective surgery for herniated disc is discectomy, in which disc material is removed through an incision. Discectomy is done mostly to relieve pain and other symptoms in the leg. It is not recommended if the herniated disc only causes back pain. Discectomy can relieve leg symptoms such as pain and numbness, but it does not relieve back pain.
Many people are able to resume work and daily activities soon after surgery. In some cases, your doctor may recommend a rehabilitation program after surgery, which might include physical therapy and home exercises.
Pain management counseling or cognitive behavioral therapy can help you develop mental skills for coping with and reducing chronic pain.
Teens and young adults rarely develop herniated discs, but when they do, nonsurgical treatment based on rehabilitation and anti-inflammatory medicines usually helps to relieve symptoms.3
Measures that may help prevent low back pain or a herniated disc include:
Home treatment can help relieve symptoms caused by a herniated disc. Home treatment can also strengthen your back, which may help prevent further injury.
The following steps may help to reduce pain:
Exercising may help speed your recovery, prevent reinjury to your back, and reduce the risk of disability from back pain. Other steps that may help keep your back strong and healthy include losing weight if you are overweight, and quitting smoking if you smoke.
Medicine is often used to treat pain caused by a herniated disc. Although medicine does not cure a herniated disc, it may reduce inflammation and pain and allow you to begin an exercise program that can strengthen your stomach and back muscles.
Medicines that may be used to relieve symptoms caused by a herniated disc include:
Enzyme injection into the damaged disc (chemonucleolysis) can be done to try to dissolve a bulging disc. (An enzyme is a chemical or protein that is able to speed up a specific chemical reaction.) This procedure is rarely done.1
The use of pain relievers or corticosteroid injections alone will not cure a herniated disc. It is important to take care of your back and exercise to increase strength and fitness in addition to using medicine to control your symptoms.
Some of the medicines used, such as opioid pain relievers and corticosteroid injections, can have serious side effects. Discuss this issue with your doctor before deciding to use a medicine.
Most people who have a herniated disc do not need surgery because their symptoms tend to improve over time. About 50% of people with a herniated disc in the low back recover within 1 month. And within 6 months, 96% recover. Only 10% of people with herniated disc problems that cause noticeable symptoms eventually have surgery.1
When surgery is used to treat a herniated disc, it is done to decrease pain and allow for more normal movement and function. It is considered if the following conditions are present:
Surgery is appropriate only for people who have specific symptoms and conditions. A decision to have surgery should take into consideration results from diagnostic tests and physical examinations, your response to nonsurgical treatment, and discussions between you and your doctor about your options and expected results. Other factors include your age, overall health, the severity of symptoms, and what impact the symptoms have on your life (such as the inability to work). For example, you and your doctor may consider surgery if your job requires a rapid recovery, and there is no time to wait for the herniated disc to heal itself. If you are an older adult, you may be offered surgery if your herniated disc is less likely to improve without surgery because of other spinal diseases.
Disc surgery is not considered effective treatment for low back pain that is not caused by a herniated disc. Disc surgery is also not done if back pain is the only symptom the herniated disc causes.
All surgery involves some risk. If you are considering surgery, consider the following factors:
Many people are able to gradually resume work and daily activities soon after surgery. In some cases, your doctor may recommend a rehabilitation program after surgery, which might include physical therapy and home exercises.
The goals of rehabilitation, exercise, and complementary and alternative treatments for a herniated disc are to:
Learn how to take care of your back, which may include training in pain and symptom control.
You can use complementary and alternative medicine along with standard or conventional care to treat leg and back pain caused by a herniated disc. Although no large studies have proved the effectiveness or safety of these treatments, they may help some people. Some examples include:2
Talk to your doctor about the potential benefits and risks before using complementary and alternative medicine to treat a herniated disc.
Research continues on herniated disc treatments that do not involve open surgery. For example, laser discectomy uses a focused beam of light to dissolve a herniated disc. Although this technology has been used by some surgeons for several years, it is considered experimental because of the lack of studies on its effectiveness and safety.2 It appears to be less effective than standard discectomy.4
Other treatments that have been tried include removing the center of the disc, and removing all or part of the disc by using suction. These treatments are not considered to be effective.
Consider waiting 4 weeks before using manipulation to treat a herniated disc. Many people with a herniated disc have a significant improvement in symptoms during this time period.1
Ask your doctor about other treatments that may help your symptoms caused by a herniated disc.
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The American Academy of Orthopaedic Surgeons (AAOS) provides information and education to raise the public's awareness of musculoskeletal conditions, with an emphasis on preventive measures. The AAOS website contains information on orthopedic conditions and treatments, injury prevention, and wellness and exercise. | |
| National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health | |
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The National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) is a governmental institute that serves the public and health professionals by providing information, locating other information sources, and participating in a national federal database of health information. NIAMS supports research into the causes, treatment, and prevention of arthritis and musculoskeletal and skin diseases and supports the training of scientists to carry out this research. The NIAMS website provides health information referrals to the NIAMS Clearinghouse, which has information packages about diseases. | |
Citations
- Hu SS, et al. (2006). Lumbar disc herniation section of Disorders, diseases, and injuries of the spine. In HB Skinner, ed., Current Diagnosis and Treatment in Orthopedics, 4th ed., pp. 246–249. New York: McGraw-Hill.
- Jordan J, et al. (2009). Herniated lumbar disc, search date July 2008. Online version of Clinical Evidence: http://www.clinicalevidence.com.
- Kraft DE (2002). Low back pain in the adolescent athlete. Pediatric Clinics of North America, 49: 643–653.
- Deyo RA, Weinstein JN (2001). Low back pain. New England Journal of Medicine, 344(5): 363–370.
- Atlas SJ, et al. (2005). Long-term outcomes of surgical and nonsurgical management of sciatica secondary to a lumbar disc herniation: 10-year results from the Maine Lumbar Spine Study. Spine, 30(8): 927–935.
Other Works Consulted
- Atlas SJ, et al. (2001). Surgical and nonsurgical management of sciatica secondary to a lumbar disc herniation: Five-year outcomes from the Maine Lumbar Spine Study. Spine, 26(10): 1179–1187.
- Deen GH, et al. (2003). Minimally invasive procedures for disorders of the lumbar spine. Mayo Clinical Procedures, 78: 1249–1256.
- Peul WC, et al. (2007). Surgical versus prolonged conservative treatment for sciatica. New England Journal of Medicine, 356(22): 2245–2256.
- Weinstein JN, et al. (2006). Surgical vs nonoperative treatment for lumbar disk herniation: The spine patient outcomes research trial (SPORT): A randomized trial. JAMA, 296(20): 2441–2450.
- Weinstein JN, et al. (2006). Surgical vs nonoperative treatment for lumbar disk herniation: The spine patient outcomes research trial (SPORT): Observational cohort. JAMA, 296(20): 2451–2459.
| By | Healthwise Staff |
|---|---|
| Primary Medical Reviewer | William H. Blahd, Jr., MD, FACEP - Emergency Medicine |
| Specialist Medical Reviewer | Robert B. Keller, MD - Orthopedics |
| Last Revised | July 21, 2010 |
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ReferencesLast Revised: July 21, 2010
Author: Healthwise Staff
Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Robert B. Keller, MD - Orthopedics
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