Familial Mediterranean fever


Type of disease: Rare conditions

Familial Mediterranean fever (FMF) is an inherited condition characterized by episodes of painful inflammation of the abdominal lining (peritonitis),  lining surrounding the lungs (pleurisy), and joints (arthralgia and occasionally arthritis). These episodes are often accompanied by fever and sometimes a characteristic ankle rash. The first episode usually occurs in childhood or the teenage years, but in some cases, the initial attack occurs much later in life. Between attacks, people often do not have any symptoms. Without treatment, FMF can lead to kidney failure due to a buildup of certain protein deposits (amyloidosis). FMF is usually inherited in an autosomal recessive fashion and is caused by mutations in the MEFV gene. Source: Genetic and Rare Diseases Information Center (GARD), supported by ORDR-NCATS and NHGRI.

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