lasix iv push Press Statement FDA Agrees With Public Citizen, Responds to Petition by Telling Companies to Stop Marketing Over the Counter Benzocaine Teething Products HRG Publication 2430 The Food and Drug Administration FDA agreed with Public Citizen that over the counter oral health care products containing benzocaine should never be used in infants under any circumstances, even with the advice and supervision of a health care professional, because of the risk of methemoglobinemia, a life threatening blood disorder that impairs the body s ability to use oxygen