Overview
Somnolence is a finding that may indicate an underlying health condition requiring clinical evaluation.
Associated Conditions
Conditions associated with this symptom based on HPO disease-phenotype annotations.
Phosphoenolpyruvate carboxykinase (GTP) deficiency
Occasional (5-29%)
Crigler-Najjar syndrome, type I
Occasional (5-29%)
Postencephalitic parkinsonism
Frequent (30-79%)
Fructose-biphosphatase deficiency
Occasional (5-29%)
Crigler-Najjar syndrome
Occasional (5-29%)
Argininosuccinate lyase deficiency
Frequent (30-79%)
Hypervalinemia
Hyperammonemia, type III
Occasional (5-29%)
Leucine-induced hypoglycemia
Mannosidosis, type I
Occasional (5-29%)
Marburg virus disease
Occasional (5-29%)
Ornithine carbamoyltransferase deficiency
Frequent (30-79%)
Alexander's disease
Always present (100%)
Drug-induced methemoglobinemia
Occasional (5-29%)
Epidemic meningitis
Occasional (5-29%)
Acute liver failure
Frequent (30-79%)
Non-familial hemiplegic migraine
Fulminant hepatic failure
Frequent (30-79%)
6-Pyruvoyl-tetrahydrobiopterin synthase deficiency
Occasional (5-29%)
Methotrexate poisoning
Occasional (5-29%)
Hydroxymethylglutaric aciduria
Frequent (30-79%)
Ethylene glycol poisoning
Frequent (30-79%)
Bickerstaff's brainstem encephalitis
Very frequent (80-99%)
Progressive encephalopathy with edema, hypsarrhythmia and optic atrophy syndrome
Very frequent (80-99%)
Hemorrhagic fever caused by Lujo virus
Occasional (5-29%)
Quick Facts
- SNOMED CT
- 271782001
- UMLS CUI
- C0013144
- Fully Specified Name
- Drowsy (finding)
- Associated Conditions
- 25
- Diagnostic Tests
- 0
This information is for educational purposes only. If you are experiencing symptoms, please consult a healthcare provider for proper evaluation and diagnosis.