No, even though both copyright DM and Robitussin DM are prescribed as cough suppressants, they don't exactly the equivalent medications. Robitussin-DM includes just dextromethorphan and guaifenesin , https://diegonexa895096.suomiblog.com/is-copyright-dm-syrup-identical-to-robitussin-dm-cough-formula-57847681