Others contain oral phenylephrine and acetaminophen, dextromethorphan or another active ingredient. ExploreFDA says key ingredient in Sudafed, Vicks and Benadryl products doesn’t work “It is the FDA’s ...
after the agency's scientists concluded that the oral version of the drug is ineffective as a nasal decongestant. The FDA's proposal comes more than a year after the agency's outside advisers voted ...