a nasal decongestant; and 10 mg of dextromethorphan HBr, a cough suppressant The Daytime caplets also contain guaifenesin 200 mg, an expectorant to help loosen phlegm (mucus) to make coughs more ...
The U.S. Food and Drug Administration has proposed removing oral phenylephrine, widely used in cold and cough syrups, as an active ingredient in over-the-counter ... voted against the effectiveness of ...