Question:

The most classical symptom of VIPoma is:

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Remember WDHA - the very first letters describe high-volume watery diarrhea.
Updated On: Jun 24, 2026
  • Gall stones
  • Secretory diarrhea
  • Steatorrhea
  • Flushing
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The Correct Option is B

Solution and Explanation

Step 1: A VIPoma is a pancreatic endocrine tumor that secretes large amounts of vasoactive intestinal peptide (VIP). It is also called Verner-Morrison syndrome, pancreatic cholera, or WDHA syndrome.

Step 2: VIP stimulates small intestinal chloride and water secretion. The hallmark is therefore a large-volume secretory diarrhea that persists even during fasting and is almost always more than 1 litre per day, often more than 3 litres per day.

Step 3: This drives the WDHA triad: Watery Diarrhea, Hypokalemia, and Achlorhydria. So the single most classical symptom is the secretory diarrhea, making option b correct.

Step 4: Why not the others: flushing occurs but only in about 20 percent of patients, steatorrhea is usually absent because malabsorption is not the mechanism, and gallstones are linked to somatostatinoma rather than VIPoma.
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