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Welcome to your CAPS resource. CAPS
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(Cryopyrin-Associated Periodic Syndromes) is a group of rare hereditary diseases that only affect one in a million people. This site brings together the people and information you need to become a stronger link in the chain of people touched by CAPS.
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Familial Cold Autoinflammatory Syndrome (FCAS) is the most common type of CAPS in the US.
Learn what causes this subtype of CAPS, and what can trigger symptoms
How Neonatal-Onset Multisystem Inflammatory Disease (NOMID) can affect your child
Find support in our symptoms checklist, doctor finder, and more.
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