In a nutshell, we showed that over-the-counter cheap generic antibiotic neomycin can be repurposed in nasal formulation to prevent & treat infection, block transmission, and reduce disease burden against a wide array of viruses. Since this is a host-directed strategy and virus-agnostic, it holds promise as a prophylactic strategy against any viral threat.

The advice in the screencapped thread was to apply a little with a q-tip to the inside of the nostrils.

There is no info on any dangers of doing this very often, but if you can't avoid a high-risk environment it's worth trying.

Here's a thread about the study. https://threadreaderapp.com/thread/1782535781338222960.html

here's the study: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5918160/

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[–] [email protected] 9 points 6 months ago* (last edited 6 months ago) (1 children)

Seems to me like actual anti-virals like iota-carrageenan (Betadine brand) nasal spray would be more effective...

The incidence of COVID-19 differs significantly between subjects receiving the nasal spray with I-C (2 of 196 [1.0%]) and those receiving placebo (10 of 198 [5.0%]). Relative risk reduction: 79.8% (95% CI 5.3 to 95.4; p=0.03). Absolute risk reduction: 4% (95% CI 0.6 to 7.4).

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8493111/

Iota-Carrageenan patients reported a mean blocked nose score of 0.42, corresponding to a reduction of approximately 50% (Figure 3). Further post hoc analysis of this symptom revealed that 71.4% of Iota-Carrageenan patients did not report the symptom blocked nose at the end of the study. In the placebo group only 36.4% of subjects were free of this symptom.

[...]

viral load in the placebo group increased almost 6- fold (579%), while it dramatically decreased by 92% in the Iota-Carrageenan group (p < 0.009).

https://link.springer.com/article/10.1186/1465-9921-11-108

[–] [email protected] 3 points 6 months ago

You should be able to use both, neosporin causes an anti-viral immune response in the nose, carrageenan acts more like a barrier.