Evidence is sorely lacking for the value of any over-the-counter remedy to treat most coughs.
from NYT > Health https://www.nytimes.com/2019/02/18/well/live/the-case-against-cough-medicine.html?partner=rss&emc=rss
from NYT > Health https://www.nytimes.com/2019/02/18/well/live/the-case-against-cough-medicine.html?partner=rss&emc=rss