Chronic acid suppression and resultant hypochlorhydria may lead to an altered intraluminal environment, which, in turn, may promote the growth of bacteria in the small intestine
[ncbi.nlm.nih.gov]
[…] with readily identifiable alterations in small bowel function which predispose patients to SIBO (eg, resected ileocaecal valve, small intestinal hypomotility and possibly hypochlorhydria
[gut.bmj.com]
[…] fibrosis, chronic fatigue syndrome, diabetes, diverticulitis, erosive esophagitis, fibromyalgia, gastroparesis, GERD (gastroesophageal reflux disease), H. pylori infection, hypochlorhydria
[modernherbalmedicine.com]