Povidone-Iodine vs. Mupirocin in Sinus Irrigation: A New Hope for Chronic Rhinosinusitis?
Povidone-iodine is widely known for its broad-spectrum antimicrobial and antiviral properties. It has been shown to inactivate viruses like MERS, SARS-CoV-1, and even SARS-CoV-2 in vitro. Its low cost, over-the-counter availability, and lack of known resistance make it especially attractive for short-term sinus disinfection—particularly during viral outbreaks.