Rare diseases · Sign or symptom
Hearing abnormality
Abnormal hearing
HP:0000364
What it means
An abnormality of the sensory perception of sound.
According to the World Health Organization, deafness refers to the complete loss of hearing ability in one or two ears. Hearing impairment refers to both complete and partial loss of the ability to hear.
Rare diseases that can present with this27
Very common80–99%
7Common30–79%
11- Atrioventricular defect-blepharophimosis-radial and anal defect syndrome
- Benign schwannoma
- Cleidocranial dysplasia
- Dislocation of the hip-dysmorphism syndrome
- Distal deletion 10p syndrome
- Fibrochondrogenesis
- German syndrome
- Hepatic fibrosis-renal cysts-intellectual disability syndrome
- Neurofibromatosis type 1
- WAGR syndrome
- Wiedemann-Rautenstrauch syndrome
The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.
Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.