Which cough syrup works best? new study puts top remedies to the test
NCT ID NCT06907355
First seen Jan 09, 2026 · Last updated May 08, 2026 · Updated 20 times
Summary
This study tested three popular cough medicines—levodropropizine, codeine (with other ingredients), and ivy leaf extract—against a placebo in 196 adults with a cold and moderate to severe cough. Participants took the medicine three times a day for four days. The main goal was to see how much cough severity changed after 48 hours. Results will help doctors choose the best treatment for coughs caused by upper respiratory infections.
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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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