Rare diseases · Sign or symptom
Narrow nasal bridge
Narrow bridge of nose
HP:0000446
What it means
Decreased width of the bony bridge of the nose.
The narrowness may be accompanied by a sharp, keel-shaped appearance. The nasal bridge may narrow with age.
Rare diseases that can present with this28
Very common80–99%
12- Conductive deafness-ptosis-skeletal anomalies syndrome
- Craniodigital-intellectual disability syndrome
- Craniofacial dysostosis-diaphyseal hyperplasia syndrome
- Ectodermal dysplasia-blindness syndrome
- Fibular aplasia-complex brachydactyly syndrome
- Fryns-Smeets-Thiry syndrome
- Intellectual disability-polydactyly-uncombable hair syndrome
- Microbrachycephaly-ptosis-cleft lip syndrome
- Microcephalic osteodysplastic dysplasia, Saul-Wilson type
- Norrie disease
- Oculodentodigital dysplasia
- Waardenburg syndrome type 3
Common30–79%
9- 19p13.12microdeletion syndrome
- Birk-Barel syndrome
- Focal dermal hypoplasia
- Keppen-Lubinsky syndrome
- Macrocephaly-intellectual disability-left ventricular non compaction syndrome
- Microform holoprosencephaly
- Nicolaides-Baraitser syndrome
- RNF13-related severe early-onset epileptic encephalopathy
- Roifman 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
Also called: Narrow nasal root · Nasal Bridge, Narrow · Nasal bridge, thin · Pinched bridge of nose · Pinched nasal bridge
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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.