5 Common Causes of Sciatica and Pain-Relief Options

Sciatica describes pain caused by irritation or compression of the sciatic nerve or its nerve roots. Symptoms often travel from the low back or buttock down one leg and may include burning pain, tingling, numbness, or weakness. Not every pain in the buttock or leg is sciatica, so an examination matters.

1. A herniated disc

A spinal disc can bulge or herniate and irritate a nearby nerve root. Symptoms may worsen with coughing, sneezing, sitting, or certain bending movements. Many disc-related cases improve without surgery, although progressive weakness needs prompt assessment.

2. Spinal stenosis

Narrowing around the nerves can cause leg pain, heaviness, numbness, or weakness, often with standing and walking. Symptoms may ease when sitting or bending forward. Stenosis is more common with age and should be evaluated when walking tolerance declines.

3. Age-related spinal changes

Bone spurs and joint changes can reduce space around a nerve root. Imaging findings alone do not determine the cause; they must match the symptoms and physical examination.

4. Spondylolisthesis

One vertebra can shift relative to the next and narrow the area where a nerve exits. Some cases cause no symptoms, while others contribute to back pain or sciatica. The degree of instability and neurological findings influence treatment choices.

5. Less common causes and look-alikes

Injury, cysts, tumors, infection, pregnancy-related changes, or conditions outside the spine can sometimes irritate nerves or mimic sciatica. Deep gluteal muscle problems and hip conditions may also produce similar pain. This is why a confident diagnosis should come before treatment.

Sciatica pain-relief options

For uncomplicated sciatica, a conservative plan may include staying gently active, modifying aggravating movements, targeted exercise or physical therapy, and medication when medically appropriate. Some patients may benefit from carefully selected manual therapy as part of a broader plan. Severe or persistent cases may require imaging, injections, or surgical consultation.

At Thomas Chiropractic, Dr. Jared Thomas checks strength, sensation, reflexes, movement patterns, and warning signs before recommending care. The goal is to identify whether symptoms appear mechanical and whether chiropractic care is appropriate—not to treat every radiating pain the same way.

Learn more about our Roseville chiropractic services and what to do when your back suddenly goes out.

When is sciatica an emergency?

Go to an emergency department for new bladder or bowel problems, numbness in the saddle area, rapidly worsening leg weakness, or severe symptoms affecting both legs. These can signal cauda equina syndrome. Prompt medical care is also important for fever, unexplained weight loss, cancer history, major trauma, or unrelenting night pain.

Does sciatica always start in the back?

No. Some people notice buttock or leg symptoms more than back pain. True sciatica still follows irritation of the sciatic nerve or contributing nerve roots.

Is walking good for sciatica?

Short, comfortable walks can help many people remain active. Stop and seek advice if walking rapidly worsens weakness, numbness, or severe pain.

Can chiropractic care relieve sciatica?

It may be one conservative option for selected mechanical causes after appropriate screening. Treatment should be individualized and combined with activity guidance or exercise when appropriate.

How long does sciatica last?

Many cases improve over several weeks, but duration varies by cause and severity. Worsening weakness, persistent severe pain, or red flags should be evaluated promptly.

Sources

• Mayo Clinic: Sciatica—symptoms and causes
• Mayo Clinic: Sciatica—diagnosis and treatment
• Cleveland Clinic: Cauda equina syndrome