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Ankylosing spondylitis (AS) is a type of chronic (long-term) arthritis that affects parts of the spine, including bones, muscles and ligaments.
Our Health A-Z contains more information on Ankylosing spondylitis.
If you are worried about this condition you can try our free AI Symptom Checker here.
Sciatica is the name given to any sort of pain caused by irritation or compression of the sciatic nerve.
Our Health A-Z contains more information on Shooting pain down back of leg.
Important: If you have these symptoms, they may be unrelated to any of these conditions listed. If you are concerned about your symptoms then you should see a doctor.