Sciatica causes mild to severe nerve pain, as well as burning, electric, or other sensations, throughout the lower back, buttocks, hips, and down the legs. These sensations may be constant or intermittent and worsen based on your movements and posture.
What causes sciatica?
Sciatica mainly occurs due to injury to or pressure against the sciatic nerve, the largest nerve in the body. The most common causes of sciatica are pressure against the sciatic nerve due to a herniated disk or overgrowth of bone. However, sciatica can occur due to a variety of causes, including:
- Degenerative disk disease
- Spinal stenosis
- Pressure from tumors
- Piriformis syndrome
- Cauda equina syndrome
You may also be more likely to develop sciatica based on certain risk factors, such as aging, obesity, past injuries to the spine or lower back, pregnancy, or frequent heavy lifting, as may occur in certain occupations.