Updated 2/15/2022 HIDS (hyper-IgD syndrome, a mevalonate kinase deficiency) and PFAPA (periodic fever, aphthous stomatitis, pharyngitis, and cervical adenitis) are both periodic fever syndromes that generally start in childhood and have very similar symptoms. It can be difficult to distinguish … Continue reading

Hyper-IgD Syndrome (HIDS) Research and Information

Below are links to helpful research and information relating to Hyper-IgD syndrome (HIDS). These are not all the studies available. For more search at You can also read more about HIDS here. The Phenotype and Genotype of Mevalonate Kinase … Continue reading