7 ms·
Betadine gargle is 1% povidone-iodine. As a nasal spray dilute by 50% with water. Active protection for 3-4 hours minimum (again according to numerous studies)
by bwilli123 3y ago
Betadine gargle is 1% povidone-iodine. As a nasal spray dilute by 50% with water. Active protection for 3-4 hours minimum (again according to numerous studies)