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A stylised brain sends a nerve line that breaks, and a round bolus stalls at the throat crossing where the food and air paths meet.

Neurological Dysphagia

~2 min readReviewed

In this topic5

  1. Neurological Dysphagia — Neural Control and the Swallowing Phases
  2. Neurological Dysphagia — Clinical Presentation
  3. Neurological Dysphagia — Diagnosis
  4. Neurological Dysphagia — Complications and Prognosis
  5. Neurological Dysphagia — Respiratory Planning and Nutrition

Neurological Dysphagia

Neurological dysphagia, also called neurogenic dysphagia, means impaired swallowing caused by a lesion or dysfunction of the central or peripheral nervous system. It is distinct from mechanical dysphagia, where a structural obstruction blocks the bolus, and from primary muscle disease. The distinction matters because neurogenic dysphagia calls for neurological diagnosis and respiratory-nutritional planning, not mechanical relief.

Swallowing is partly voluntary and partly automatic, and it is organised across several levels between the cortex and the muscles of the head and neck. Where a lesion sits shapes which part of the swallow fails. That is why such different conditions — stroke, Parkinson disease, amyotrophic lateral sclerosis (ALS, a progressive degeneration of motor neurons), myasthenia gravis, muscular dystrophies — can all present with swallowing difficulty, and why aspiration pneumonia, pneumonia that follows food, liquid or saliva entering the airway, is the danger that runs through all of them.

Where to go next

The question a reader brings decides where to start. Understanding why the deficits arise comes first, since the rest of the topic detects, grades, treats and plans around them; a reader with a specific clinical question can begin at the matching entry below.

  • Neural control and the swallowing phases explains how the nervous system produces a swallow and why lesions at different levels fail in different ways.
  • Clinical presentation explains the history questions and examination signs that reveal dysphagia, including silent aspiration.
  • Diagnosis explains bedside screening, the EAT-10 questionnaire, instrumental assessment with FEES and videofluoroscopy, severity scales, cough-flow measurement, and identification of the underlying neurological cause.
  • Complications and prognosis explains aspiration pneumonia, malnutrition and dehydration, choking, and what these mean for outcome.
  • Respiratory planning and nutrition explains feeding-tube timing and techniques, cough assessment and cough-assist devices, why oxygen alone can be dangerous in neuromuscular weakness, and compensatory strategies.