THIS MEDICINE WILL CAUSE NUMBNESS wherever it is applied. IF THIS MEDICINE IS USED IN YOUR MOUTH OR THROAT, it may reduce your ability to swallow. Do not eat for at least 1 hour after using this medicine. Possible Side Effects: SIDE EFFECTS, that may go away during treatment, include loss of feeling, burning, itching, or redness in the treated area. If they continue or are bothersome, check with your doctor. CHECK WITH YOUR DOCTOR AS SOON AS POSSIBLE if you experience skin rash, hives, or shortness of breath. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist.