Hydrogen Peroxide Nebulization to Fight Infection You can use nebulized peroxide for any suspected respiratory infection, and the earlier you start, the better. If you’re already presenting with a runny nose or sore throat, use the nebulizer for 10 to 15 minutes four times a day until your symptoms are relieved. You can also use nebulized hydrogen peroxide for prevention and maintenance, which may be advisable during flu season. There is no danger in doing it every day if you’re frequently exposed, and there may even be additional beneficial effects, such as a rapid rise in your blood oxygen level. Since hydrogen peroxide can lose potency over time, recommend having unopened 3 or 12% food grade hydrogen peroxide and a nebulizer on hand to help fight infections. How to Properly Dilute Hydrogen Peroxide to 0.1% While you can use virtually any percentage of food grade peroxide, it’s crucial to dilute it properly before use. What you want is a 0.1% dilution, so even a ...