Sciatica is nerve pain that begins in the buttock/gluteal area and is caused by an injury or irritation to the sciatic nerve. The sciatic nerve is the body’s longest and thickest (almost a finger’s breadth) nerve. It’s made up of five nerve roots: two from the lower back, known as the lumbar spine, and three from the sacrum, the last segment of the spine. A right and left sciatic nerve are formed when the five nerve roots come together. One sciatic nerve runs through your hips, buttocks, and down one leg, ending just below the knee on each side of your body. The sciatic nerve splits into several nerves that run down your leg and into your foot and toes.
Although true sciatic nerve injury is uncommon, the term “sciatica” is often used to describe any pain that begins in the lower back and spreads down the leg. The cause of this pain is nerve damage, such as irritation, inflammation, pinching, or compression of a nerve in your lower back.
If you suffer from “sciatica,” “Mild to severe pain can be felt anywhere along the sciatic nerve’s course, which runs from the lower back to the hips, buttocks, and/or down the legs. Muscle weakness in your leg and foot, numbness in your leg, and a tingling pins-and-needles sensation in your leg, foot, and toes are all possible side effects.
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