Povidone-Iodine Use in Sinonasal and Oral Cavities: A Review of Safety in the COVID-19 Era
et al., Ear, Nose & Throat Journal, doi:10.1177/0145561320932318 (Peer Reviewed)
Review of povidone-iodine finding that it 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.
Frank et al., 6/10/2020, peer-reviewed, 4 authors.
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