Cure8 research brief
Aeromonas species were detected more frequently in people with IBD than in patients without IBD and were linked to higher inflammatory markers—so clinicians and patients may see Aeromonas on stool PCR more often in the context of IBD testing.
This could be relevant when evaluating causes of flares or abnormal test results.
Patients with IBD (Crohn’s disease or ulcerative colitis), gastroenterologists, and researchers interested in gut microbiome–IBD interactions.
This retrospective study used stool multiplex PCR to look for Aeromonas species in patients tested between June 2023 and May 2025. Aeromonas was detected more often in people with IBD (11/94, 11.7%) than in those without IBD (111/3,056, 3.6%) and was the second most common pathogen after C. difficile within the IBD group.
The authors report that Aeromonas positivity in IBD patients was associated with higher amounts of genetic material and inflammatory markers. The study cannot determine causation.
The authors explicitly state it is unclear whether Aeromonas acts as an enteropathogen that triggers acute IBD flares or whether its presence reflects a disrupted mucosal environment in people with IBD. This was a single-center, retrospective analysis using PCR detection, which identifies microbial DNA but does not by itself prove active infection.
If you have IBD and testing shows Aeromonas, this paper suggests the organism is more common in IBD than in other patients, but clinical context (symptoms, inflammation, and clinician judgment) matters when deciding treatment or further evaluation.
Findings come from a retrospective, single-center study using stool PCR; PCR detects microbial DNA but cannot by itself prove active infection or causation. Larger prospective studies would be needed to determine whether Aeromonas directly triggers flares.
Review the original publication for the complete reporting, methods, and context.
This Cure8 brief is based on source text from the linked article. Cure8 is informational only and is not a substitute for professional medical advice, diagnosis, or treatment.
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