What side effects may I notice from receiving Carbamide Peroxide?

Side effects that you should report to your doctor or health care professional as soon as possible:
-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-burning, itching, and redness
-worsening ear pain
-rash

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-abnormal sensation while putting the drops in the ear
-temporary reduction in hearing (but not complete loss of hearing)

This list may not describe all possible side effects for Carbamide Peroxide. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.