Rare diseases · Sign or symptom

Abnormality of the autonomic nervous system

HP:0002270

What it means

An abnormality of the autonomic nervous system.

The autonomic nervous system is the part of the peripheral nervous system that controls visceral functions such as heart rate and digestion and functions largely below the level of consciousness.

Rare diseases that can present with this14

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

Abnormality of the autonomic nervous…

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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.