Familial Mediterranean Fever
Infancy, to under 20 years of age for the onset of the first symptoms.
MKD-mild/moderate (aka HIDS)
Mevalonate Kinase Deficiency-mild/moderate, Hyperimmunoglobulinemia D with Periodic Fever Syndrome
>90% present with symptoms in infancy.
Tumor Necrosis Factor (TNF) - Associated Periodic Syndrome (aka Familial Hibernian Fever)
Most first attacks occur by 3 years of age, and almost all begin by 20 years of age. A few have symptoms start later in life.
Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Cervical Adenitis (PFAPA) – aka Marshall Syndrome
Early childhood, usually between 2-5 years of age. A few adult-onset cases are documented. Most teens outgrow it.
Mevalonate Aciduria (MA), Mevalonate Kinase Deficiency-severe
Most present with symptoms at birth, or in early infancy. Most have facial features noted at birth.
Ranked by occurance of the search terms