Rare diseases · Sign or symptom

Exanthem

HP:4000054

What it means

A widespread rash.

An exanthem may be caused by an infection or represent a reaction to a toxin or an immune response and may be accompanied by symptoms such as fever, malaise and headache.

Part of the broader category

Exanthem

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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.