
The ingredient used in common oral decongestants like Sudafed, Allegra, Dayquil, and Nyquil doesn’t provide relief, advisers to the Food and Drug Administration (FDA) said Tuesday.
The Nonprescription Drug Advisory Committee (NDAC) met to discuss the efficacy of phenylephrine as a nasal decongestant on 11 September and 12 September. They reviewed the available data on the subject and, in a unanimous vote, signalled that it does not work any more than a placebo might, according to the Associated Press.