Vaginal cleaning with chlorhexidine does not prevent infections better than iodine in major gynecologic surgeries

Women preparing for major gynecologic surgeries often get their vaginas cleaned with antiseptic solutions. Doctors have long debated whether to use chlorhexidine gluconate or povidone iodine. A new analysis of nearly 10,000 patients looked at this choice carefully. The goal was to see if one method prevents infections better than the other. The study combined data from many different trials to get a clear picture. Results showed no meaningful difference in surgical site infections between the two cleaning methods. This means the choice does not change the risk of getting an infection at the surgery site. However, the data did show a higher risk of urinary tract infections when using chlorhexidine. This risk was seen in a specific group of patients within the larger study. The cleaning solution also caused vaginal irritation in some cases. These side effects matter for patient comfort and recovery. The review supports current medical guidelines that allow either product for preventing surgical infections. But doctors should be aware of the urinary infection risk linked to chlorhexidine. More research is needed to fully understand this specific risk. Until then, the choice between these two common cleaners remains a valid clinical decision.