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Is it OK to use Flonase, allergy sprays, saline mist, or neti pots before I take a COVID-19 rapid test or will it change my results?

Infection and Spread Testing and Contact Tracing

The answer: There is no evidence that using a nose spray will alter your test results. TL; DR: The SARS CoV-2 rapid antigen tests (aka COVID-19 rapid tests) become positive if they find a lot of the protein that that comes from SARS CoV-2. It is not likely that allergy sprays would change the amount Read more…