OTC cold meds are nearly useless and can be harmful. Same old ingredients with a new advertising twist every few years.
@https://sciencebasedmedicine.org/the-cold-drugs-dont-work/
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@rdaily phenylephrine in particular, not all cold meds. #NotAllColdMeds
@ech phenylephrine is subject to to diversion for illicit drug manufacturing. And extra bad for side effects. I am a paradoxical responder, makes me really sleepy.
@ech they are all decades old pre FDA meds that were never required to show effectiveness. Mostly useless with lots of side effects. I am an old ER doc and lifelong skeptic. I avoid them all myself.