How Can I Do If I Accidentally Swallow A Hydrogen Peroxide?
In general, the concentration of Hydrogen Peroxide be used by teeth whitening is 3%. If you just swallow a little of 3% Hydrogen Peroxide, this will probably not harm you. Give several glasses of water to drink to dilute. After swallowing hydrogen peroxide, you will expect irritation, nausea and headaches. However, these are all temporary and should go away soon.
But, if you swallow a large amounts of 3% Hydrogen Peroxide, or you have beginning to experience irritation and blistering to the mouth, throat, and abdomen, even abdominal pain, vomiting, or diarrhea, you must go to see your doctor and get medical advice.