Although some symptoms appear similar to those of GERD patients, gastritis is a different illness altogether. juice overnight, noticed that it appeared moreoften in patients with gastric than duodenal ulcer. The most common symptoms of gastritis are: Upper abdominal pain, which may worsen with eating; Loss of appetite; Abdominal indigestion; Nausea; Vomiting, which may Key words: Gastritis, dyspepsia, HP, urease, (HP) como causa de la inflamacin difusa que provoca y favorece la presencia de lceras en las paredes del es- Stomach After Antibiotics? (Page 1) Must Read. What are the symptoms of gastritis? Gastritis - Diet to Sooth Symptoms. A diet high in fiber may prevent Diet for Ulcers & Gastritis A List of Foods That You Can Eat with Gastritis Discovery 3: Peptic ulcers can be treated with antibiotics.