But there are specific kinds that are best: “Cough medicines that contain guaifenesin and dextromethorphan should be okay for a short time,” says Meleen Chuang, MD, the chief of obstetrics and ...

In addition to dextromethorphan, Robitussin-DM also contains the active ingredient guaifenesin. This is an expectorant that ...

Other ingredients may have drug or food interactions. If you are pregnant or breastfeeding, you should only take guaifenesin after consulting with your healthcare provider about the risks and ...