Hypochlorhydria
More common causes
Helicobacter pylori infection
Zinc deficiency
Chronic kidney disease
Hypothyroidism
Complication of bariatric surgery
Less common causes
Gastric cancer
Atrophic gastritis
Celiac disease
VIPoma
Pernicious anemia
Uncommon causes
Somatostatinoma
Radiation gastritis
Autoimmune gastritis