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warnings and cautions
5. WARNINGS AND PRECAUTIONS METHEMOGLOBINEMIA WARNING: Use of this product may cause methemoglobinemia, a rare but serious condition that must be treated promptly because it reduces the amount of oxygen carried in blood. Stop use and seek immediate medical attention if the patient in your care develops: pale, gray or blue colored skin (cyanosis) headache rapid heart rate shortness of breath dizziness or lightheadedness fatigue or lack of energy Not for use in children under 2 years of age Keep out of reach of children For professional dental use only Take care not to contaminate the jar by reintroducing a used cotton applicator into the jar