Rare diseases · Sign or symptom
Malar rash
HP:0025300
What it means
An erythematous (red), flat facial rash that affects the skin in the malar area (over the cheekbones) and extends over the bridge of the nose.
This type of rash is seen in lupus erythematosus, but also in other diseases such as rosacea and seborrheic dermatitis.
Rare diseases that can present with this15
Very common80–99%
4Sometimes5–29%
7The 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: Butterfly rash · Cheekbone rash
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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.