Povidone-Iodine Use in Sinonasal and Oral Cavities A Review of Safety in the COVID-19 Era - PubMed
Povidone-iodine can safely be used in the nose at concentrations up to 1.25% and in the mouth at concentrations up to 2.5% for up to 5 months. Povidone-iodine rapidly inactivates coronaviruses, including SARS and MERS, when applied for as little as 15 seconds. There is optimism that PVP-I can inacti …