Warnings For External Use Only. Not recommended for infants under 1 year of age. The dropper used in this product contains natural rubber. Do not use if you have: • A perforated ear drum • Discharge from the ear • Hypersensitivity to any of the ingredients or similar substances If irritation occurs, stop use immediately & seek medical advice. Stop use and seek immediate medical attention if you have: • Difficulty breathing • Pale, gray or blue coloured skin • Weakness, confusion or headache These may be signs of a rare, but serious condition and may appear within minutes to hours after benzocaine use.