Familial Mediterranean fever (FMF) is an autoinflammatory disorder characterized by recurrent short episodes of fever and serositis resulting in pain in the abdomen, chest, joints and muscles. The disease is Monarch Disease Ontology id MONDO_0018088 (familial Mediterranean fever). Also known as: FMF, Fiebre mediterránea familiar, benign paroxysmal peritonitis, benign recurrent polyserositis, familial paroxysmal polyserositis, periodic disease.