They often don't. Consider phenylephrine, the OTC replacement ingredient for the original Sudafed formula. If you ever felt like it didn't do a damned thing for

They often don't. Consider phenylephrine, the OTC replacement ingredient for the original Sudafed formula. If you ever felt like it didn't do a damned thing for nasal congestion, then you'd be right. https://www.nbcnews.com/health/health-news/fda-panel-says-common-counter-decongestant-phneylephrine-doesnt-work-rcna104424 https://www.nbcnews.com/health/health-news/fda-panel-says-co...