Symptom

Dysphagia: Difficulty Swallowing — Causes & Urgent Assessment

Difficulty swallowing — especially progressive dysphagia for solids — is an alarm symptom that always warrants urgent investigation to exclude oesophageal cancer and other serious conditions.

Progressive solid food dysphagia
Alarm — urgent endoscopy
Oesophageal cancer prognosis
Stage 1: 80% 5yr; Stage 4: <5%
Most common neurological cause
Stroke and Parkinson's
Achalasia
Swallowing both solids AND liquids
Dysphagia Is an Urgent Alarm SymptomNew or progressive difficulty swallowing — especially solids — in an adult always requires urgent 2-week wait endoscopy referral to exclude oesophageal and gastric cancer.

Oropharyngeal vs Oesophageal Dysphagia

FeatureOropharyngealOesophageal
Location of difficultyInitiating swallow; choking on startingFeel food 'sticking' in chest
CoughImmediate on swallowingLess immediate
RegurgitationNasal regurgitation; aspirationAfter delay
Liquids vs solidsLiquids often worse firstSolids first (obstruction); both (motility)
Common causesStroke, MND, Parkinson's, myastheniaCancer, stricture, achalasia, GERD

Causes and Investigations

CauseFeaturesDiagnosis
Oesophageal cancerProgressive; weight loss; male, smoker, reflux historyUpper GI endoscopy + biopsy
Peptic strictureHistory of GERD; older patient; improves with PPIEndoscopy + dilatation
AchalasiaBoth solids AND liquids; regurgitation; bird beak on bariumBarium swallow; oesophageal manometry
Oropharyngeal (neurological)After stroke, PD, MND; aspiration pneumonia riskSpeech and language therapy (SALT) assessment
Pharyngeal pouchGurgling noise; regurgitation of undigested food; visible lumpBarium swallow
Aspiration RiskOropharyngeal dysphagia carries significant risk of aspiration pneumonia. SALT (speech and language therapy) assessment is essential to guide dietary modification and feeding technique. Thickened fluids reduce aspiration risk.
Is dysphagia always cancer?
No. Most dysphagia is caused by benign conditions — GERD stricture, oesophageal spasm, or neurological causes. However, progressive dysphagia for solids always needs endoscopy to exclude cancer — don't delay.
What is achalasia?
A motility disorder where the lower oesophageal sphincter fails to relax, and the oesophageal body loses coordinated peristalsis. Causes dysphagia for both solids AND liquids (unlike cancer, which initially blocks solids only). Treated with pneumatic dilatation, Heller myotomy, or POEM (per-oral endoscopic myotomy).
What does an endoscopy for dysphagia involve?
A flexible camera passed through the mouth to examine the oesophagus, stomach, and duodenum. Takes 5–10 minutes. Sedation is offered. Any suspicious tissue is biopsied immediately.
What is a barium swallow?
An X-ray study where you swallow barium contrast — outlines the oesophagus and reveals structural or motility problems. Particularly useful for pharyngeal pouches, achalasia, and oropharyngeal dysphagia.
Medical Disclaimer: This page is for general education only and does not replace professional medical advice. Always consult a qualified healthcare provider.