a cough suppressant The Daytime caplets also contain guaifenesin 200 mg, an expectorant to help loosen phlegm (mucus) to make coughs more productive. The Nighttime caplets also contain 2 mg of ...
On a recent day, storage bins for cough suppressants and expectorants, which are used to help clear phlegm, were almost empty at a dispensing pharmacy in Tokyo’s Koto Ward. One or two of about ...