Differential Diagnosis: Regurgitation

Following are differential diagnoses, listed in order of likeliness, for patients presented with regurgitation.

• Esophagitis

• Focal or generalized megaesophagus 

  • Focal

    • Vascular ring anomaly

    • Esophageal stricture

  • Generalized

    • Esophageal stricture (if close to lower esophageal sphincter)

    • Hypoadrenocorticism

    • Myasthenia gravis 

    • Lead poisoning

    • Botulism

    • Tetanus

    • Hypothyroidism

    • Polyradiculitis

    • Thallium toxicity

• Structural esophageal disease

  • Foreign body

  • Extra- or intraesophageal neoplasia

  • Diverticula

  • Granuloma

    • Fungal

    • Spirocerca lupi

• Polymyopathy

• Polyneuropathy

• Organophosphate toxicity

• Hiatal hernia

• Distemper

• Neospora caninum