What is sciatica? Sciatica is a set of symptoms and not the disease itself. If you have some or all of the following symptoms you may have sciatica. These symptoms include leg pain associated with numbness, tingling, and weakness but the pain id coming from the nerve and it is a nerve pain. Sciatica is caused by pressure on nerves located in the lumbar spine… Read More Chiropractic: What is sciatica and sciatica treatment?