Rosacea and alcohol intake

To the Editor: The paper by Li1 on alcohol intake and risk for rosacea prompted us to make some considerations and report our experience. We previously showed that rosacea patients have a significantly higher prevalence of small intestinal bacterial overgrowth (SIBO) than controls and that SIBO eradication significantly improved their lesions.2,3 Later, we investigated the role of various microorganisms in rosacea, with a 3-year follow-up of patients that had been treated.4 Demodex folliculorum, Helicobacter pylori, and SIBO were examined and all played a pathogenic role; SIBO prevailed in papulopustular rosacea, H.