Rare diseases · Sign or symptom
Slurred speech
HP:0001350
What it means
Abnormal coordination of muscles involved in speech.
Rare diseases that can present with this35
Very common80–99%
4Common30–79%
12- Acute liver failure
- Adult-onset autosomal recessive cerebellar ataxia
- Autosomal recessive cerebellar ataxia due to CWF19L1 deficiency
- Autosomal recessive spastic paraplegia type 20
- Ethylene glycol poisoning
- Hereditary continuous muscle fiber activity
- Inherited Creutzfeldt-Jakob disease
- Leukoencephalopathy-palmoplantar keratoderma syndrome
- Spectrin-associated autosomal recessive cerebellar ataxia
- Spinocerebellar ataxia type 1
- Thyrocerebrorenal syndrome
- Wrinkly skin syndrome
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
Slurred speech
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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.