It has been hypothesized that gargling or performing nasal irrigation / spraying with common antiseptics may reduce SARS-CoV-2 viral load and / or infectivity.
Clinical trials
- Povidone Iodine Mouthwash, Gargle, and Nasal Spray to Reduce Nasopharyngeal Viral Load in Patients With COVID-19
- Effect of 1%Povidone Iodine Mouthwash/Gargle, Nasal and Eye Drop in COVID-19 patient
- EARLY VIRAL CLEARANCE AMONG COVID-19 PATIENTS WHEN GARGLING WITH POVIDONE-IODINE AND ESSENTIAL OILS – A CLINICAL TRIAL
- Efficacy of commercial mouth-rinses on SARS-CoV-2 viral load in saliva: randomized control trial in Singapore
