Spinal Stenosis

Spinal stenosis happens when the spinal canal or the openings where nerves leave the spine become too narrow. This narrowing can compress the spinal cord or nerve roots, leading to pain, tingling, numbness or weakness. It most often affects the neck or lower back and may develop slowly over time.

Many people with spinal stenosis have age-related changes in the spine, such as arthritis, thickened ligaments or bulging discs. It may also occur with related spine conditions such as a herniated disc, sciatica or spondylolisthesis.

The type of spinal stenosis depends on where the narrowing occurs and which nerves are affected.

• Cervical spinal stenosis: Affects the neck and can put pressure on the spinal cord, which may cause symptoms in the arms, hands, legs or balance
• Lumbar spinal stenosis: Affects the lower back and commonly causes pain, heaviness, numbness or weakness that travels into the buttocks or legs

Spinal stenosis can also be described by the location of narrowing:

• Central canal stenosis: Narrows the main spinal canal
• Foraminal stenosis: Narrows the openings where nerves exit the spine
• Lateral recess stenosis: Affects the passageway nerves use before leaving the spine

Symptoms of spinal stenosis can range from mild discomfort to pain or weakness that interferes with walking and daily activities. Some people have imaging findings of stenosis without symptoms, while others develop symptoms that worsen gradually.

Common symptoms may include:

• Neck or back pain
• Numbness, tingling or weakness in the arms, hands, buttocks, legs or feet
• Pain that worsens with standing or walking
• Relief when leaning forward or sitting, especially with lumbar stenosis
• Balance problems or changes in walking
• Leg cramping, heaviness or fatigue

Severe or sudden symptoms, including loss of bladder or bowel control, worsening weakness or trouble walking, need urgent medical evaluation.

Spinal stenosis is most often caused by wear-and-tear changes that develop with age.

Common causes may include:

• Arthritis that leads to bone spurs
• Bulging or degenerating spinal discs
• Thickened spinal ligaments
• Prior spine injuries or spinal fractures
• Tumors affecting the spine
• Inherited narrowing of the spinal canal

Risk factors may include:

• Older age
• A history of spine arthritis
• Prior spine injury
• Congenital spinal canal narrowing
• Related conditions such as herniated disc, sciatica or spondylolisthesis
• Physically demanding jobs or repetitive spine strain

A diagnosis starts with a careful review of your symptoms, medical history and physical exam. Your physician may check strength, reflexes, sensation, posture, walking pattern and whether certain positions make symptoms better or worse.

Imaging helps confirm where narrowing is occurring and how much the spinal cord or nerves are affected. Tests may include X-rays to evaluate alignment and arthritis, MRI to view nerves and soft tissues, or CT scans for detailed bone images. In some cases, nerve testing may be used to help distinguish spinal stenosis from peripheral nerve conditions such as peripheral neuropathy.

Treatment depends on the location and severity of stenosis, your symptoms, your overall health and how much the condition affects your daily life. Many people begin with nonsurgical care focused on reducing inflammation, improving strength and protecting mobility.

Nonsurgical options may include:

• Physical therapy
• Activity modification
• Anti-inflammatory medication
• Pain management strategies
• Nerve blocks
• Epidural injections when appropriate

These treatments may help manage pain and improve function, especially when symptoms are mild to moderate.

Surgery may be considered when symptoms are severe, progressive or not improving with conservative care.

Procedures may include:

• Laminectomy to create more space for nerves
• Minimally invasive spinal fusion when instability is present
• Other spine procedures based on the area of compression

Untreated or worsening spinal stenosis can make it harder to walk, stand or stay active. Ongoing nerve compression may lead to persistent pain, weakness, numbness or balance problems. Cervical stenosis can be more serious when it affects the spinal cord, because it may cause hand clumsiness, gait changes or progressive neurological symptoms.

Rarely, severe nerve compression can lead to loss of bladder or bowel control, or significant leg weakness. These symptoms require urgent medical care.

Not all cases of spinal stenosis can be prevented, especially when narrowing is related to aging or inherited anatomy. However, healthy spine habits may reduce strain, support mobility and help slow symptom progression.

Helpful steps include staying active, strengthening core muscles, using good posture, maintaining a healthy weight, avoiding tobacco and treating back or neck symptoms before they become disabling. People with related conditions such as sciatica or a herniated disc may benefit from early evaluation and a personalized spine care plan.

If back, neck, arm or leg symptoms are interfering with your daily activities, a spine specialist can help determine whether spinal stenosis is the cause. Baptist Health Brain & Spine Care offers coordinated care that may include imaging, nonsurgical pain management and surgical evaluation when needed.

To schedule a visit with a Baptist Health Brain & Spine Care provider, fill out an appointment request form or call 833-596-3876.