How does cough medicine stop a dry, tickly or wet cough?
In: 1
They don’t, I’m afraid. Over the counter cough medicines you can buy in the US are no more effective than a placebo (a fake medicine).
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC65295/
>Over the counter cough medicines for acute cough cannot be recommended because there is no good evidence for their effectiveness.
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