Antitussive Effect of a Naturally Flavored Syrup Containing Diphenhydramine, Compared With Dextromethorphan and Placebo
Status:
Completed
Trial end date:
2014-06-01
Target enrollment:
Participant gender:
Summary
The purpose of this study is to evaluate the antitussive (cough-suppressing) effects of two
liquid medications: a combination of diphenhydramine and phenylephrine in a naturally cocoa
flavoring, and, dextromethorphan syrup, compared with placebo.