Rare diseases · Sign or symptom

Bilateral cleft lip

Both sided cleft lip

HP:0100336

What it means

A non-midline cleft of the upper lip on the left and right sides.

Rare diseases that can present with this2

Very common80–99%

1

Sometimes5–29%

1

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: Bilateral cheiloschisis · Right and left cleft lip

Bilateral cleft lip

Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.

Start free with Eleplan

This 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.