Haedrich, Johannes, Huber, Roman · Journal of medical case reports · 2025 · DOI
This case study describes a 64-year-old man with Crohn's disease (an inflammatory bowel condition) who developed persistent diarrhea, abdominal pain, fatigue, and other symptoms that resembled both irritable bowel syndrome and chronic fatigue syndrome. When doctors provided him with a clear explanation of how his symptoms were connected to his gut condition, stress, and nervous system function, along with appropriate treatment, his symptoms improved significantly over 2.5 years. The case highlights how physical diseases and functional conditions (like ME/CFS) are often interconnected and may improve when both are recognized and treated together.
This case illustrates an important clinical principle for ME/CFS patients: the frequent co-occurrence of functional disorders (fatigue, pain) with organic conditions (like inflammatory bowel disease) and the potential benefit of integrated diagnosis and treatment. The emphasis on clear communication and plausible explanations may offer insights into management strategies that could benefit ME/CFS patients who experience similar symptom overlap and diagnostic uncertainty.
This single case report cannot establish causal relationships between Crohn's disease, IBS, and chronic fatigue, nor can it prove that mind-body explanations alone cause symptom resolution—other unmeasured factors (natural disease course, placebo effect, time) may have contributed. The findings are not generalizable to ME/CFS populations, as this patient had documented inflammatory bowel disease and a clear recovery pattern that may not apply to patients with primary ME/CFS.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
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