This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.
|Medical Terms||Other Names||
|80%-99% of people have these symptoms|
|Abnormal oral cavity morphology||
Abnormality of the oral cavity
|Abnormality of temperature regulation||
Poor temperature regulation
Psychiatric disturbances[ more ]
Swollen lymph nodes
Intermittent migraine headaches
Migraine headaches[ more ]
Recurrent sore throat
|30%-79% of people have these symptoms|
Tiredness[ more ]
|5%-29% of people have these symptoms|
Pain in stomach
Stomach pain[ more ]
|Nausea and vomiting||0002017|
Increased spleen size
Related diseases are conditions that have similar signs and symptoms. A health care provider may consider these conditions in the table below when making a diagnosis. Please note that the table may not include all the possible conditions related to this disease.
Conditions with similar signs and symptoms from Orphanet
Differential diagnosis includes other diseases characterized by periodic fever such as recurrent tonsillitis, streptococcal infection, juvenile idiopathic arthritis, Behçet's disease, cyclic neutropenia, familial Mediterranean fever, TRAPS syndrome, and mevalonate kinase deficiency (see these terms).
Visit the Orphanet disease page for more information.
Research helps us better understand diseases and can lead to advances in diagnosis and treatment. This section provides resources to help you learn about medical research and ways to get involved.
Support and advocacy groups can help you connect with other patients and families, and they can provide valuable services. Many develop patient-centered information and are the driving force behind research for better treatments and possible cures. They can direct you to research, resources, and services. Many organizations also have experts who serve as medical advisors or provide lists of doctors/clinics. Visit the group’s website or contact them to learn about the services they offer. Inclusion on this list is not an endorsement by GARD.
These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.
Rare Disease Day at NIH 2021
March 1, 2021
NIH Researchers Uncover Genes Linked To PFAPA Syndrome
September 1, 2020
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