Rare diseases · Sign or symptom
Delayed ability to walk
HP:0031936
What it means
A failure to achieve the ability to walk at an appropriate developmental stage. Most children learn to walk in a series of stages, and learn to walk short distances independently between 12 and 15 months.
Rare diseases that can present with this38
Very common80–99%
10- 3-methylglutaconic aciduria type 9
- Arthrochalasia Ehlers-Danlos syndrome
- Autosomal recessive cerebelloparenchymal disorder type 3
- Bilateral generalized polymicrogyria
- CNTNAP2-related developmental and epileptic encephalopathy
- Houge-Janssens syndrome type 1
- Lamb-Shaffer syndrome
- Pelizaeus-Merzbacher disease, classic form
- PMP22-RAI1 contiguous gene duplication syndrome
- X-linked sideroblastic anemia and spinocerebellar ataxia
Common30–79%
23- AHDC1-related intellectual disability-obstructive sleep apnea-mild dysmorphism syndrome
- Allan-Herndon-Dudley syndrome
- Angelman syndrome due to imprinting defect in 15q11-q13
- Bartter syndrome type 4
- Early-onset epilepsy-intellectual disability-brain anomalies syndrome
- FBLN1-related developmental delay-central nervous system anomaly-syndactyly syndrome
- Gabriele-de Vries syndrome
- Ichthyosis-alopecia-eclabion-ectropion-intellectual disability syndrome
- Intellectual disability-seizures-abnormal gait-facial dysmorphism syndrome
- Juvenile amyotrophic lateral sclerosis
- Macrocephaly-developmental delay syndrome
- Mowat-Wilson syndrome
- Mowat-Wilson syndrome due to a ZEB2 point mutation
- Mowat-Wilson syndrome due to monosomy 2q22
- Muscle-eye-brain disease with bilateral multicystic leucodystrophy
- Myopathic Ehlers-Danlos syndrome
- Neurodevelopmental disorder-craniofacial dysmorphism-cardiac defect-skeletal anomalies syndrome due to 9q21.3 microdeletion
- Neurodevelopmental disorder-craniofacial dysmorphism-cardiac defect-skeletal anomalies syndrome due to a point mutation
- Palatal anomalies-widely spaced teeth-facial dysmorphism-developmental delay syndrome
- Pyruvate dehydrogenase E2 deficiency
- Recurrent metabolic encephalomyopathic crises-rhabdomyolysis-cardiac arrhythmia-intellectual disability syndrome
- X-linked Charcot-Marie-Tooth disease type 3
- X-linked hypophosphatemia
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: Delayed walking
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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.