Researchers wanted to better understand if nasal irrigation would result in fewer hospitalizations after a positive COVID-19 test result. After conducting a study with 79 participants, researchers found that, “Patients who initiated isotonic saline nasal irrigation after a positive COVID-19 PCR test were 19 times less likely to be hospitalized than the national rate.”
Baxter, A. L., Schwartz, K. R., Johnson, R. W., Giller, T., Swartout, K. M., Rao, A., Kuchinski, A. M., Gibson, R. W., Boomer, H., Cherian, E., Lyon, M., & Schwartz, R. B. (2021). Rapid initiation of nasal saline irrigation to reduce morbidity and mortality in COVID+ outpatients: a randomized clinical trial compared to a national dataset. MedRxiv.