Difference between Sciatica and Low Back Pain

What Is Sciatica Pain?

Sciatica is a condition caused by irritation, compression, or inflammation of the sciatic nerve, the longest nerve in the human body. It begins in the lower spine (lumbar region), passes through the hips and buttocks, and travels down each leg.

When this nerve is compressed—often due to a herniated disc, spinal stenosis, or L4–L5 / L5–S1 disc problems—it produces pain that radiates from the lower back down the leg.

Common Symptoms of Sciatica Pain

  • Sharp or burning pain from lower back → buttock → leg

  • Pain usually on one side of the body

  • Tingling or numbness in the leg or foot

  • Weakness in the leg muscles

  • Pain increases when sitting, coughing, or bending

Sciatica is not a disease itself; it is a symptom of an underlying spine problem.

What Is General Low Back Pain?

General low back pain refers to discomfort or stiffness in the lumbar region (lower spine). It is usually caused by problems in muscles, ligaments, joints, or discs, not necessarily nerve compression.

Common Causes

  • Muscle strain from lifting heavy objects

  • Poor posture or prolonged sitting

  • Weak core muscles

  • Ligament sprain

  • Degenerative disc changes

Typical Symptoms

  • Dull aching pain in the lower back

  • Stiffness when bending or twisting

  • Pain usually stays in the back, not the leg

  • Improves with rest or stretching

Key Differences: Sciatica vs General Low Back Pain

Feature Sciatica General Low Back Pain
Cause Compression of the sciatic nerve Muscle, ligament, or joint strain
Pain location Lower back → buttock → leg Mostly limited to lower back
Pain type Sharp, burning, electric-like Dull or aching
Numbness / tingling Common Rare
Leg weakness Sometimes present Usually absent
Pain side Often one side Can be center or both sides

Simple way to remember:

  • Back pain stays in the back.

  • Sciatica travels down the leg.

💡 Important: If pain travels below the knee, causes numbness, or leg weakness, it is more likely sciatic nerve pain rather than simple back pain.

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