This medication is used to treat a certain group of inherited disorders called cryopyrin-associated periodic syndromes (CAPS), including familial cold autoinflammatory syndrome and Muckle-Wells syndrome. Rilonacept works by blocking a certain natural protein in your body (interleukin... This medication is also used to treat a condition of a lack of the natural protein interleukin-1 receptor antagonist (Deficiency of Interleukin-1 Receptor Antagonist-DIRA). Rilonacept is also used to treat a certain type heart disease (recurrent pericarditis). This medication reduces the risk of the heart disease from coming back. View More Info

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