Sciatica is a debilitating condition in which the general term used to describe the pain that occurs when nerve roots in the lumbosacral spine (lower back) become compressed, irritated often from a herniated disc or other narrowing of the spinal stenosis. Sciatica may be accompanied by numbness/tingling and muscle weakness. Sciatica is the largest nerve in the body, Sciatica is specific to the pain that is a direct result of sciatic nerve or sciatic nerve root.

Any condition that may structurally compress the sciatic nerve may cause sciatica symptoms. The most common cause of sciatica is a herniated or bulging lumbar intervertebral disc. Spondylolisthesis or a relative misalignment of one vertebra relative to another may also result in sciatic.

Causes:
• Degenerative disc disease
• Lumbar stenosis
• Herniated Disc
• Increased risk with age

Symptoms:
• Pain may be stabbing, burning or shooting
• Tingling 
• Numbness
• Weakness
• Mild to excruciating and can worsen when you bend down, coughing, sneezing twist your spine, Poor reflexes
• Pain is often described as electric, burning, or sharp.