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Sciatica arises from injury or irritation to the sciatic nerve, causing pain in the buttocks or gluteal area. This nerve, the body’s longest and thickest, consists of five nerve roots: two in the lumbar spine of the lower back and three in the sacrum at the spine’s base.
Symptoms of Sciatica
Symptoms of Sciatica
Lower back pain radiating down the leg: The hallmark symptom of sciatica is pain that originates in the lower back and travels down one or both legs.
Pain intensification during certain activities: Activities such as sitting for prolonged periods, coughing, or standing can exacerbate the pain.
Numbness or weakness in the leg: Some individuals may experience numbness, tingling, or muscle weakness in the affected leg or foot.
Causes of Sciatica
Causes of Sciatica
Compressed nerve in the lower back: The most common cause of sciatica is a compressed nerve root in the lumbar spine. This compression can result from a herniated disc, spinal stenosis, or a bone spur.
Slipped disc and its impact on the sciatic nerve: A slipped, or herniated, disc occurs when the soft inner portion of the disc protrudes through the tougher outer ring. This protrusion can press against or irritate the nearby sciatic nerve, leading to pain and discomfort.
In some cases, sciatica can be caused by non-spinal issues such as tumors, diabetes, or infections. These are less common but can have a significant impact on the sciatic nerve.
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