Which cough syrup works best? new study puts top remedies to the test
NCT ID NCT06907355
First seen Jan 09, 2026 · Last updated May 23, 2026 · Updated 21 times
Summary
This study tested three popular cough treatments—levodropropizine, a codeine combination, and ivy leaf extract—against a placebo in 196 adults with coughs from upper respiratory infections. Participants took the medicine three times daily for four days. The main goal was to see how much cough severity dropped after 48 hours. Results may help doctors choose the best option for cough relief.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Locations
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Pontificia Universidad Catolica de Chile
Santiago, Chile
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