The Human Phenotype Ontology (HPO) provides the following list of features that have been reported in people with this condition. Much of the information in the HPO comes from Orphanet, a European rare disease database. If available, the list includes a rough estimate of how common a feature is (its frequency). Frequencies are based on a specific study and may not be representative of all studies. You can use the MedlinePlus Medical Dictionary for definitions of the terms below.
| Signs and Symptoms | Approximate number of patients (when available) |
| Abnormality of temperature regulation | 90% |
| Hemolytic anemia | 90% |
| Migraine | 90% |
| Anorexia | 50% |
| Arthralgia | 50% |
| Hepatomegaly | 50% |
| Hyperhidrosis | 50% |
| Leukopenia | 50% |
| Myalgia | 50% |
| Splenomegaly | 50% |
| Thrombocytopenia | 50% |
| Congestive heart failure | 7.5% |
| Coronary artery disease | 7.5% |
| Hepatic failure | 7.5% |
| Hypercoagulability | 7.5% |
| Limitation of joint mobility | 7.5% |
| Nausea and vomiting | 7.5% |
| Photophobia | 7.5% |
| Recurrent pharyngitis | 7.5% |
| Reduced consciousness/confusion | 7.5% |
| Renal insufficiency | 7.5% |
| Respiratory insufficiency | 7.5% |
| Thrombophlebitis | 7.5% |
| Weight loss | 7.5% |
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.
