Feeling congested this winter? A common medicinal ingredient might not be helping
Research has shown that oral phenylephrine, a common decongestant in cold and flu tablets, is ineffective for nasal congestion. A 2023 FDA review concluded it performs no better than a placebo when taken by mouth. Despite its ineffectiveness, phenylephrine remains widely sold due to past restrictions on pseudoephedrine, which posed misuse risks.
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Published 14 Jul 2026, 10:47 UTC · Updated 14 Jul 2026, 10:50 UTC
Summary by OZbrief Editorial. Original report: SBS News – Australia. Editorial policy · Corrections
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