Although there are many theories relating to why allergies occur, one common theme is that allergies would indicate that you have a high toxic load. Hydrogen peroxide may provide some effect as it can help to detoxify. However, a more profound effect would occur if you can find a physician in your area to administer "Minor Autohemotherapy" which is a technique of applying ozone. Minor Autohemotherapy is performed specifically due to its profound effects on the elimination of allergies, and acne. If you wish to try to find an ozone doctor in your area, you may wish to go to http://www.oxygenhealingtherapies.com
and then click on Ozone Doctors on the left side of the home page. This web site sells no products, just posts information. I hope this helps.
-ozonejeff-