This article provides an overview of the best OTC and prescription cough suppressants ... it is questionable as to how much ...

Brompheniramine maleate 1mg, dextromethorphan HBr 5mg, phenylephrine HCl 2.5mg; per 5mL; syrup; grape-flavor; alcohol-free; contains sodium 3mg/5mL. Drowsiness ...

“In fact, the best thing for a cough is just honey ... So, stick to your syrup if you like ― just don’t overdo it, be careful ...