What are the symptoms of gastrinoma?

Symptoms related to increased gastrin production

* Frequent, watery stools

* Abdominal pain

* Gastroesophageal reflux disease (GERD) (heartburn and regurgitation)

* Ulcers in the stomach and the duodenum

* Intestinal malabsorption

* Nutrient deficiencies

* Zollinger-Ellison syndrome (severe peptic ulceration, with intractable diarrhea and dehydration)

Other symptoms

* Facial flushing

* Increased body hair

* Skin rash