Signs & Symptoms
Based on Human Phenotype Ontology (HPO) disease-phenotype annotations.
Diminished tissue dihydropteridine reductase activity
Always present (100%)HP:6000966
Decreased size of cranium
Very frequent (80-99%)HP:0000252
Deglutition disorder
Very frequent (80-99%)HP:0002015
Mental and motor retardation
Very frequent (80-99%)HP:0001263
Mental-retardation
Very frequent (80-99%)HP:0001249
Abnormal deposits of calcium in the brain
HP:0002514
Central hypotonia
HP:0001252
Choreoathetoid movements
HP:0001266
Dystonic movements
HP:0001332
Epilepsy
HP:0001250
Hyperphenylalaninemia
HP:0004923
Hypertonia
HP:0001276
Intermittent fever
HP:0001954
Irritability
HP:0000737
Jerking
HP:0001336
Oversalivation
HP:0003781
Tremor
HP:0001337
Worsening neurological symptoms
HP:0002344
Quick Facts
- SNOMED CT
- 58256000
- UMLS CUI
- C0268465
- Fully Specified Name
- Dihydropteridine reductase deficiency (disorder)
- Specialists
- 0
- Diagnostic Biomarkers
- 0
- HPO Phenotypes
- 18
Medical Disclaimer
This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider regarding any medical condition or treatment plan.
Clinical content is derived from the SNOMED CT clinical ontology and curated medical knowledge graphs.