No, while both copyright DM Syrup and Robitussin DM are used as chest suppressants, they aren't exactly the identical medications. Robitussin DM includes just dextromethorphan and guaifenesin mucus https://hassangdqz133243.eedblog.com/42446457/is-copyright-dm-syrup-identical-to-robitussin-dm-cough-formula