Sciatica Treatment: Causes, Symptoms, Diagnosis and Nonsurgical Relief

Sciatica can cause pain that travels from the lower back through the buttock and down the leg, making everyday activities such as walking, sitting, driving and exercising uncomfortable. For some people, the pain is mild and temporary. For others, sciatic nerve pain can interfere with sleep, work and quality of life.

The good news is that many people with sciatica improve with conservative care and do not need surgery. The most effective treatment depends on identifying the underlying cause of the pain, assessing nerve function and developing an individualized treatment plan.

At Sampson Regen in Los Angeles, Dr. Steve Sampson evaluates spine-related and musculoskeletal conditions to help patients understand their symptoms and explore appropriate treatment options.

If you are experiencing lower back pain that radiates down your leg, understanding the causes of sciatica, how it is diagnosed and which nonsurgical treatments may help is an important first step toward relief.

What Is Sciatica?

Sciatica is a term used to describe pain and other symptoms caused by irritation or compression of the sciatic nerve roots in the lower spine. The sciatic nerve is the largest nerve in the body. It forms from nerve roots in the lower back, travels through the buttock and extends down each leg.

Unlike ordinary lower back pain, sciatica typically causes symptoms that radiate into the buttock, thigh, calf or foot. It most often affects one side of the body.

Common symptoms of sciatica include:

• Radiating leg pain: Sharp, shooting, burning or electric-shock-like pain traveling from the lower back into the leg.
• Tingling: Pins-and-needles sensations in the buttock, leg or foot.
• Numbness: Reduced sensation in part of the leg or foot.
• Muscle weakness: Difficulty lifting the foot, standing on the toes or moving the leg normally.
• Pain with certain movements: Symptoms that worsen with prolonged sitting, bending, coughing or sneezing.

Sciatica symptoms vary depending on which nerve roots are affected and how significantly they are irritated or compressed. Some people experience prominent leg pain with little back pain, while others have both lower back pain and radiating symptoms.

It is important to distinguish sciatica from other causes of leg pain, including hip problems, muscle conditions and peripheral nerve disorders. An accurate diagnosis helps guide appropriate treatment.

What Causes Sciatic Nerve Pain?

Sciatica is a symptom rather than a specific diagnosis. Several conditions affecting the lower spine can irritate or compress the nerve roots responsible for sciatic nerve function.

1. Herniated or Bulging Disc

A herniated disc is one of the most common causes of sciatica. Spinal discs act as cushions between the vertebrae. When a disc bulges or its inner material protrudes through its outer layer, it may press against a nearby nerve root or trigger local inflammation.

This can cause pain that travels from the lower back into the buttock and down the leg.

Not every herniated disc causes symptoms. The important question is whether the imaging findings correspond to the patient’s pain pattern and physical examination.

2. Lumbar Spinal Stenosis

Spinal stenosis occurs when the spaces within the spinal canal or the openings where nerves exit the spine become narrower. This narrowing may place pressure on nerve roots and cause pain, tingling, numbness or weakness in the legs.

Some people with lumbar spinal stenosis notice that their symptoms worsen when standing or walking and improve when sitting or leaning forward.

3. Degenerative Disc Disease and Spinal Arthritis

Age-related changes in the discs and joints of the spine may contribute to narrowing around the nerves. Bone spurs and changes in disc height can sometimes irritate or compress nerve roots via the side holes that they exit called foraminal stenosis.

These findings are common as people mature with time, but they do not always cause pain. Treatment should be based on the patient’s symptoms, examination and relevant diagnostic findings rather than imaging alone.

4. Spondylolisthesis

Spondylolisthesis (Greek for slippage of the spine) occurs when one vertebra slips relative to another. In some cases, this changes the alignment of the spine or narrows the spaces around the nerves, contributing to sciatic nerve pain.

5. Other Causes of Pain Radiating Down the Leg

Not all pain that travels down the leg originates in the lower spine. Hip conditions, muscular problems and other nerve disorders can produce similar symptoms. Quite commonly there can be entrapment of the sciatic nerve at the gluteal fold just beneath the buttock. Also, the sciatic nerve can get trapped between the two heads of the piriformis muscle located in the buttock.

These patients experience symptoms that radiate from the buttock to the back of the knee, but not traditionally to the calf and foot. Sitting on hard surfaces can be uncomfortable requiring frequent positional changes to relieve pressure.

The sciatic nerve can also get trapped between the two heads of the piriformis muscle located in the buttock.

This is why a thorough evaluation is important before deciding which sciatica treatment is appropriate.

How Is Sciatica Diagnosed?

An accurate diagnosis is essential for choosing the right treatment for sciatica. Because several conditions can cause similar symptoms, evaluation typically includes a medical history, physical examination and, when appropriate, diagnostic imaging.

Medical History and Symptom Assessment

Your physician will ask about the location, severity and duration of your pain, when symptoms began and which activities make them better or worse.

You may also be asked about numbness, tingling, weakness, previous injuries, medical conditions and treatments you have already tried.

The pattern of your symptoms can provide important clues about which nerves or spinal structures may be involved.

Physical and Neurological Examination

A physical examination may include:

• Assessing posture, walking and spinal movement.
• Testing strength in the legs and feet.
• Checking sensation and reflexes.
• Performing specific movements, including a straight leg raise, to assess whether they reproduce radiating pain.

These findings help determine whether symptoms are consistent with lumbar nerve root irritation and whether further testing is needed.

MRI and Other Diagnostic Tests

An MRI of the lumbar spine can provide detailed images of the discs, spinal canal and nerve roots. It may be recommended when symptoms are persistent, severe, associated with concerning neurological findings or when imaging is likely to change treatment decisions.

X-rays may help assess spinal alignment and certain bone changes. Electromyography (EMG) and nerve conduction studies may be considered when the source of symptoms is unclear, or another nerve condition is suspected.

Diagnostic ultrasound may be utilized to visualize the sciatic nerve at the gluteal fold or piriformis muscle.

Imaging is not necessary for every person with sciatica. MRI findings must be interpreted in context because disc bulges and degenerative changes can occur in people who have no pain.

The goal is to identify the condition that best explains the patient’s symptoms and use that information to develop a treatment plan.

What Is the Best Nonsurgical Treatment for Sciatica?

There is no single best treatment for every person with sciatica. The most appropriate approach depends on the underlying cause, symptom severity, duration of pain, neurological findings and individual health needs.

Many patients can begin with nonsurgical sciatica treatment, which may include activity modification, physical therapy, medication when appropriate and selected medical procedures.

1. Physical Therapy and Targeted Exercise

Physical therapy can help improve mobility, strength and function while supporting a gradual return to daily activities.

Depending on the diagnosis, a physical therapist may recommend:

• Gentle stretching and mobility exercises.
• Core and hip strengthening.
• Exercises to improve spinal movement and body mechanics.
• Gradual walking and aerobic activity.
• Strategies for managing movements that aggravate symptoms.

Exercises should be tailored to the individual. Some stretches may help one person but worsen symptoms in another, particularly when a nerve root is significantly irritated.

A structured rehabilitation program can help patients remain active, rebuild strength and improve their ability to perform everyday tasks.

2. Medication for Sciatica Pain

Medication may help manage symptoms in selected patients, but the benefits and risks vary.

A physician may consider an anti-inflammatory medication or oral steroids such as a Medrol dose pack when appropriate, considering medical history, kidney and cardiovascular health, gastrointestinal risks and other medications. These drugs do not work for everyone and should be used with professional guidance.

Some medications commonly prescribed for other types of nerve pain have limited evidence of benefit for sciatica and may cause adverse effects. Medication choices should therefore be individualized rather than based on the assumption that all nerve pain responds to the same treatment.

3. Image-Guided Epidural Injections

For selected patients with acute, severe sciatica, an epidural injection containing a corticosteroid and local anesthetic may be considered.

The medication is delivered near the affected spinal nerve roots with the goal of reducing inflammation and providing pain relief. Image guidance can help the physician accurately target the intended area.

An epidural injection may provide temporary relief and make it easier for some patients to participate in rehabilitation. However, the amount and duration of relief vary, and injections do not correct every underlying cause of sciatica.

A physician can help determine whether an injection is appropriate based on the diagnosis, examination and available imaging.

As an alternative to corticosteroids, we often use Platelet Lysate for its anti-inflammatory effects, in nerve related condition conditions.

Depending on the nerve entrapment ultrasound guided Hydrodissection can be considered using either D5W dextrose solution or platelet lysate.

4. Individualized Spine Care

Persistent sciatic nerve pain may require a more comprehensive evaluation, particularly when symptoms interfere with walking, sleep, exercise or work.

A physician specializing in physical medicine and rehabilitation can assess the relationship between the patient’s symptoms, spinal structures and nerve function, then discuss appropriate next steps.

At Sampson Regen, the goal is to help patients understand their condition and consider treatment options based on their individual needs, rather than automatically proceeding to an invasive procedure.

When nonsurgical treatment has not improved pain or function, or when significant neurological problems are present, a surgical consultation may be appropriate.

How to Relieve Sciatica Pain at Home: Lifestyle Changes That May Help

Lifestyle changes can complement professional treatment and help people manage sciatica symptoms. While home care cannot correct every cause of nerve compression, simple adjustments may improve comfort and make it easier to remain active.

Stay Active and Avoid Prolonged Bed Rest

When sciatic nerve pain flares up, resting briefly may help. However, prolonged bed rest can contribute to stiffness, muscle weakness and difficulty returning to normal activities.

Try gentle movement as tolerated, such as short walks or regular changes in position throughout the day. Gradually return to your usual activities as symptoms allow.

If your condition is not improving or an activity consistently causes worsening pain, modify it and consult your healthcare professional for guidance.

Take Breaks from Sitting

Prolonged sitting can aggravate sciatica in some people, particularly when symptoms are sensitive to spinal position.

If you work at a desk or spend considerable time driving:

• Stand up and move around regularly.
• Choose a chair that feels comfortable and supports your lower back.
• Adjust your workstation to avoid sustained, uncomfortable positions.
• Alternate between sitting, standing and walking when practical.

There is no single perfect posture for everyone. Changing positions regularly and finding comfortable ways to move are often more helpful than trying to maintain one rigid position all day.

Try Heat or Cold

Heat and cold may provide temporary relief from sciatica-related discomfort.

Cold packs may help soothe an acute flare-up, while heat may help relax tight muscles and improve comfort. Use whichever feels better, applying it for short periods with a protective layer between the pack and your skin.

Avoid extreme temperatures, especially if you have numbness or reduced sensation.

Choose a Comfortable Sleeping Position

Sciatica can make it difficult to find a comfortable sleeping position. Some people feel better sleeping on their side with a pillow between their knees, while others prefer lying on their back with a pillow beneath their knees.

These adjustments may reduce discomfort, but the best position depends on the individual. If pain regularly disrupts your sleep, consider discussing it with your physician.

Gradually Rebuild Strength and Conditioning

Once symptoms permit, regular physical activity can help maintain mobility, muscle strength and overall conditioning.

A progressive exercise program may include walking, gentle aerobic activity and exercises that strengthen the muscles supporting the spine and hips. Avoid suddenly increasing exercise intensity when symptoms are active.

If you are unsure which movements are appropriate, a physical therapist or physician can help you develop a safe plan.

Maintain Healthy Habits

Adequate sleep, avoiding tobacco and maintaining a healthy weight can support general musculoskeletal health.

For people carrying excess weight, gradual weight management may reduce some mechanical demands on the spine. These lifestyle measures are supportive strategies, not substitutes for diagnosing and treating the underlying cause of sciatica.

Can Sciatica Go Away Without Surgery?

Yes. Many cases of sciatica improve over time with conservative management, particularly when symptoms are associated with a herniated disc. Recovery varies depending on the cause, severity and degree of nerve involvement.

For some people, symptoms improve over several weeks. Others experience recurring pain or symptoms that persist for months and require additional evaluation.

Surgery is not automatically necessary when an MRI shows a herniated disc or spinal degeneration. The decision depends on how symptoms affect daily life, whether appropriate nonsurgical treatment has helped and whether diagnostic findings match the symptoms.

A surgical consultation may be appropriate when persistent sciatica substantially limits function despite nonsurgical care. Progressive weakness or certain serious neurological symptoms including incontinence or foot drop require urgent assessment.

The goal is to identify the safest, most effective approach for each patient—not to avoid surgery when it is medically necessary or recommend it when other reasonable options remain.

When Should You See a Doctor for Sciatica?

Consider scheduling a medical evaluation if you have:

• Pain that radiates from the lower back into the buttock or leg and does not improve.
• Persistent tingling or numbness in the leg or foot.
• Pain that interferes with walking, sleep, exercise or work.
• Symptoms that worsen over time or repeatedly return.
• New or increasing leg weakness.

Seek emergency medical care immediately if you develop new loss of bladder or bowel control, difficulty urinating, numbness around the groin or inner thighs, or severe or rapidly worsening weakness. These symptoms can indicate serious nerve compression that requires urgent evaluation.

Do not delay emergency care while trying home remedies or waiting for a routine appointment.

Sciatica Treatment in Los Angeles at Sampson Regen

Living with sciatica can make even routine activities difficult. Finding the right treatment starts with understanding why the sciatic nerve is irritated and which options are appropriate for your condition.

At Sampson Regen in Los Angeles, Dr. Steve Sampson evaluates spine-related and musculoskeletal conditions and helps patients understand their treatment options. Depending on the diagnosis, care may include conservative management, rehabilitation strategies and appropriate nonsurgical interventions.

The focus is on individualized care, evidence-informed treatment decisions and helping patients improve mobility and return to the activities that matter to them.

If you are experiencing lower back pain that radiates down your leg, persistent numbness or other symptoms of sciatica, contact Sampson Regen to discuss an evaluation and determine which treatment options may be appropriate for you.

Take the next step toward understanding your sciatica. Contact Sampson Regen to schedule an appointment.

Medical disclaimer: This article is for educational purposes only and does not replace individualized medical advice, diagnosis or treatment. Seek emergency care for the warning signs described above.