Ankylosing spondylarthritis: Inflammation of one or more spine joints. The spine becomes progressively painful and stiff and the spine joints may eventually fuse and cause disability. The condition may vary from mild to severe. Inflammation can affect other joints and tissues. More detailed information about the symptoms, causes, and treatments of Ankylosing spondylarthritis is available below.
See full list of 13 symptoms of Ankylosing spondylarthritis
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Types of Ankylosing spondylarthritis
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Ankylosing spondylarthritis is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that Ankylosing spondylarthritis, or a subtype of Ankylosing spondylarthritis,
affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)
Ophanet, a consortium of European partners,
currently defines a condition rare when it affects 1 person per 2,000.
They list Ankylosing spondylarthritis as a "rare disease".
Source - Orphanet
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