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.
Coccydynia is a type of lower back pain felt around the last bone at the base of the spine (known as the coccyx or tailbone).
Our Health A-Z contains more information on Pain at base of spine.
Important: Our website provides useful information but is not a substitute for medical advice. You should always seek the advice of your doctor when making decisions about your health.
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