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Orajel Antiseptic Mouth Sore Rinse Side Effects

Generic name: hydrogen peroxide topical

Medically reviewed by Last updated on Jan 16, 2024.

Note: This document contains side effect information about hydrogen peroxide topical. Some dosage forms listed on this page may not apply to the brand name Orajel Antiseptic Mouth Sore Rinse.

Applies to hydrogen peroxide topical: topical application gel/jelly, topical application pad, topical application solution, topical application spray.

Serious side effects

Along with its needed effects, hydrogen peroxide topical (the active ingredient contained in Orajel Antiseptic Mouth Sore Rinse) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur while taking hydrogen peroxide topical:

More common

Less common


Other side effects

Some side effects of hydrogen peroxide topical may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.