No, although both copyright-DM and Robitussin-DM are used as cough suppressants, they don't exactly the equivalent medications. Robitussin-DM includes just dextromethorphan hydrobromide and guaifenesin https://neilswey315625.bloguetechno.com/is-copyright-dm-identical-to-robitussin-dm-cough-formula-78647176