What Causes Sciatica-Like Symptoms?

By Dr. Eleanor Smith, DPT
Medically Reviewed by Dr. Alex Roberts, BSc Physiology
Last Updated: January 2026

Not all pain that feels like sciatica actually comes from the sciatic nerve.

Many conditions can cause pain similar to sciatica, especially in the lower back, hip, buttock or leg.

This is why some people are told they have sciatica, but treatments don’t help.

Common Conditions That Mimic Sciatica

The most common causes of sciatica-like pain include:

• Piriformis syndrome
  
  

• Sacroiliac joint dysfunction
  
  

• Hip impingement
  
  

• Lumbar muscle strain
  
  

These conditions can irritate nearby nerves or refer pain along similar pathways.

Piriformis Syndrome vs Sciatica

Piriformis syndrome symptoms often include:

• Deep buttock pain
  
  

• Pain worse when sitting
  
  

• Relief with walking or standing
  
  

Unlike sciatica, the nerve itself may not be compressed at the spine.

Sacroiliac Joint Dysfunction Symptoms

SI joint problems can cause:

• Lower back pain on one side
  
  

• Pain in the buttock or hip
  
  

• Pain that worsens with standing or turning
  
  

This often feels like sciatica but originates from joint instability.

Hip Impingement vs Sciatica

Hip impingement pain may:

• Worsen with movement
  
  

• Limit range of motion
  
  

• Cause groin or hip pain alongside leg symptoms
  
  

This can easily be mistaken for nerve pain.

Lumbar Strain vs Sciatica

Muscle strain in the lower back can cause:

• Localised pain
  
  

• Stiffness
  
  

• Pain with movement
  
  

Unlike sciatica, nerve symptoms like numbness or tingling are usually absent.

Not sure if this is sciatica yet?

See the full list of sciatica symptoms and how to confirm it.

Why Sciatica-Like Pain Can Be Confusing

Many of these conditions:

• Trigger inflammation
  
  

• Irritate nearby nerves
  
  

• Create referred pain
  
  

This makes diagnosis difficult without understanding the underlying mechanism.

Why The Difference Matters

Treatments that help true sciatica may not help sciatica-like pain.

Understanding the real cause prevents:

• Wasted treatments
  
  

• Ongoing frustration
  
  

• Pain that keeps returning

If you feel like you may have sciatica, find out the best fixes for sciatica in 2026 that actually works. Click Below.

Best Fixes For Sciatica