About 5–20% of patients who undergo colonoscopy, in the days and weeks following the procedure, develop various symptoms (abdominal pain, bloating, and bowel alteration) mainly related to dysbiosis(imbalance in bacterial composition) induced by the propaedeutic intestinal preparation.
Conclusion: more prospective multi-arm case-control studies on large case series are certainly needed to establish the real efficacy and necessity of probiotic treatments after colonoscopy. There is a wide variability of proposed treatments that have not been compared with each other and no cost-effectiveness analysis is yet available in the literature. Therefore, we are still far from being able to suggest a routine probiotics treatment after colonoscopy.
