Rare diseases · Sign or symptom
Speech apraxia
HP:0011098
What it means
A type of apraxia that is characterized by difficulty or inability to execute speech movements because of problems with coordination and motor problems, leading to incorrect articulation. An increase of errors with increasing word and phrase length may occur.
Speech apraxia may co-occur with oral apraxia and limb apraxia.
Rare diseases that can present with this26
Very common80–99%
5Common30–79%
7- 17p11.2microduplication syndrome
- 7q31microdeletion syndrome
- Atypical progressive supranuclear palsy syndrome
- Congenital-onset Steinert myotonic dystrophy
- Hyperornithinemia-hyperammonemia-homocitrullinuria syndrome
- Intellectual disability-autism-speech apraxia-craniofacial dysmorphism syndrome
- Isolated childhood apraxia of speech
Sometimes5–29%
14- Autosomal recessive cerebellar ataxia due to STUB1 deficiency
- Autosomal recessive spastic paraplegia type 20
- Classic galactosemia
- Corticobasal syndrome
- Developmental and epileptic encephalopathy with spike-wave activation in sleep
- Galactokinase deficiency
- Macrocephaly-intellectual disability-left ventricular non compaction syndrome
- Niemann-Pick disease type C
and 6 more in this range
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: Apraxia of speech · Speech dyspraxia · Verbal dyspraxia
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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.