Rare diseases · Sign or symptom
Asymmetry of the nares
Asymmetry of nostrils
HP:0009930
What it means
Asymmetry or size difference between the left and right nostril.
Rare diseases that can present with this1
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: Crooked nostrils · Unequal nostril shape · Unequal nostril size · Uneven nostril shape · Uneven nostril size
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.