Mouthrinses

Expectorants
32425306 2020. Protective potential of Expectorants against COVID-19.

Gargling mouth rinses
32395245 2020. Hypertonic saline nasal irrigation and gargling should be considered as a treatment option for COVID-19.

PVP iodine
32520599 2020. Povidone-Iodine Use in Sinonasal and Oral Cavities: A Review of Safety in the COVID-19 Era.
32574894 2020. Repurposing 0.5% povidone iodine solution in otorhinolaryngology practice in Covid 19 pandemic.
32608097 2020. Comparison of In Vitro Inactivation of SARS CoV-2 with Hydrogen Peroxide and Povidone-Iodine Oral Antiseptic Rinses.

Bromhexin
32458206 2020.... bromhexine as add-on therapy?

H2O2
32564413 2020. Is 0.5% Hydrogen Peroxide Effective against SARS-CoV-2?
32608097 2020. Comparison of In Vitro Inactivation of SARS CoV-2 with Hydrogen Peroxide and Povidone-Iodine Oral Antiseptic Rinses.