No, even though both copyright-DM and Robitussin DM Cough Formula are used as chest suppressants, they don't exactly the same medications. Robitussin DM Cough Formula includes just DM and guaifenesin , https://minaqqrj939049.thekatyblog.com/40283346/is-copyright-dm-syrup-identical-to-robitussin-dm-cough-formula