openFDA text is shown for search and cross-checking; DailyMed SPL is canonical.
Warnings sections page 1 of 1 · 2 matching rows.
warnings
Warnings Methemoglobinema Warning: Use of this product may cause Methemoglobinema, a serious condition that must be treated promptly becasue it reduces the amount of oxygem carried in the blood. This can occur even if you have used this product before. Stop use and seek immeditate medical attention if you or a child in yuor care develops; pale, gray, or blue colored skin(cyanosis) headache rapid heart rate shortness of breath dizziness or lightheadedness fatigue or lack of energy Allergy alert: Do not use this product if you have a history of allergy to local anesthetics such as procaine, butacaine, benzocaine or other "caine" anesthetics.