Causes
- Genetic: Kennedy's disease, acute intermittent porphyria
- Vascular causes: medullary infarction
- Degenerative diseases: motor neuron disease (amyotrophic lateral sclerosis), syringobulbia
- Inflammatory/infective: Guillain-Barré syndrome, poliomyelitis, Lyme disease
- Malignancy: brain-stem glioma
- Toxic: botulism
- Autoimmune: myasthenia gravis
Read more about this topic: Bulbar Palsy