Teeth Whitening Safety: Peroxide Tips & Food to Avoid

Whitening teeth with peroxide can lead to increased sensitivity and pain. Learn which foods to avoid after whitening treatments and how to manage discomfort when using hydrogen peroxide rinses for a brighter smile.

close-up of a young woman holding her cheek in pain

Your Teeth Hurt When You Rinse With Hydrogen Peroxide

Published Aug,14 2017 | By Ellen Douglas

The most common problems from rinsing with hydrogen peroxide involve increased sensitivity to hot or cold foods. In some cases, you might also experience stinging sensations, mouth sores and other forms of irritation inside your mouth.