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What is lumbar spinal stenosis?
This usually happens when bone or tissue-or both-grow in the openings in the spinal bones. This growth can squeeze and irritate nerves that branch out from the spinal cord .
The result can be pain, numbness, or weakness, most often in the legs, feet, and buttocks.
What causes lumbar spinal stenosis?
It's most often caused by changes that can happen as people age. For example:
What are the symptoms?
Symptoms may include:
- Numbness, weakness, cramping, or pain in the legs, feet, or buttocks. These symptoms get worse when you walk, stand straight, or lean backward. The pain gets better when you sit down or lean forward.
- Stiffness in the legs and thighs.
- Low back pain.
- In severe cases, loss of bladder and bowel control.
Symptoms may be severe at times and not as bad at other times. Most people aren't severely disabled. In fact, many people don't have symptoms at all.
How is lumbar spinal stenosis diagnosed?
Your doctor can tell if you have it by asking questions about your symptoms and past health and by doing a physical exam.
How is it treated?
You can most likely control mild to moderate symptoms with pain medicines, exercise, and physical therapy. Your doctor may also give you a spinal shot of corticosteroid, a medicine that reduces inflammation.
You may need surgery if your symptoms get worse or if they limit what you can do. Surgery to remove bone and tissue that are squeezing the nerve roots can help relieve leg pain and allow you to get back to normal activity. But it may not help back pain as much.
Frequently Asked Questions
Learning about lumbar spinal stenosis:
Living with lumbar spinal stenosis: