Rare diseases · Sign or symptom
Absent nares
Missing nostrils
HP:0100596
What it means
The nostrils (the paired channels of the nose) are not present.
Rare diseases that can present with this4
Very common80–99%
2The 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: Abouphalia · Aplasia of the nares · Aplasia/Hypoplasia of the nares
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.