A U.S. medical advisory panel says some popular oral cold and allergy medications like Sudafed PE and Tylenol Sinus don't work, because a decongestant ingredient in them — phenylephrine — doesn't work.

https://www.theaustralian.com.au/news/some-cold-and-allergy-medications-dont-work-us-advisory-panel-says/video/a0a4b8aa3867fcb083b485b3ddc0f464

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