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Sciatica is a common condition that causes pain along the sciatic nerve, which runs from the lower back down through the hips, buttocks, and legs. It usually develops when a herniated disc, spinal stenosis, muscle inflammation, or nerve compression irritates the sciatic nerve. People suffering from sciatica often experience symptoms such as lower back pain, leg pain, numbness, tingling sensations, muscle weakness, and difficulty in walking or sitting for long periods. The severity of symptoms may vary from mild discomfort to severe pain that affects daily activities and quality of life.