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Pancreatitis in Dogs: Causes, Clinical Signs, and Veterinary Management

Pancreatitis (pancreatic inflammation) is common in dogs, ranging from mild/subclinical to severe necrotizing disease with systemic complications.

Etiology and Risk Factors

  • Dietary indiscretion: High-fat meals, table scraps, garbage ingestion (classic trigger).
  • Breed predisposition: Miniature Schnauzer (hypertriglyceridemia), Cocker Spaniel, Yorkshire Terrier, Poodle, Dachshund.
  • Obesity.
  • Endocrine diseases: Hyperadrenocorticism (Cushing’s), hypothyroidism, diabetes mellitus.
  • Medications: L-asparaginase, potassium bromide, azathioprine, corticosteroids (controversial), some antibiotics.
  • Trauma (blunt abdominal), ischemia (GDV, shock), biliary obstruction.
  • Infectious: Rare (Babesia, Neospora, viruses).
  • Idiopathic: No identifiable trigger in many cases.

Clinical Signs

  • Vomiting (90%), anorexia, lethargy.
  • Abdominal pain (praying position, guarding).
  • Diarrhea, dehydration.
  • Fever or hypothermia.
  • Severe: shock, DIC, SIRS, MODS.

Diagnosis

  • cPLI (canine pancreatic lipase immunoreactivity): SNAP cPL (qualitative) or Spec cPL (quantitative) — high sensitivity/specificity.
  • CBC/chemistry: leukocytosis, elevated ALT/ALP, hyperlipidemia, azotemia, electrolytes.
  • Abdominal ultrasound: pancreatic enlargement, hypoechoic, peripancreatic fat saponification, effusion.
  • Radiographs: non-specific (ileus, widened pyloric-duodenal angle).

Treatment

  • Aggressive IV fluid therapy (lactated Ringer’s) — cornerstone.
  • Analgesia: Opioids (buprenorphine, hydromorphone, fentanyl CRI); avoid NSAIDs.
  • Antiemetics: Maropitant, ondansetron.
  • Nutritional support: Early enteral feeding (nasoesophageal/nasogastric) with low-fat, highly digestible diet. Old “NPO for 48h” is outdated.
  • Antibiotics: Only if infection suspected (biliary, translocation).
  • Plasma transfusion: Consider in severe necrotizing pancreatitis.

Prognosis

Mild: excellent. Severe: 30–50% mortality. Recurrence common; long-term low-fat diet, weight control, manage comorbidities.

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