No, while both copyright DM Syrup and Robitussin DM are used as respiratory suppressants, they aren't exactly the equivalent medications. Robitussin-DM includes just dextromethorphan and guaifenesin mucus https://orlandofnti701194.fitnell.com/83004447/is-copyright-dm-syrup-identical-to-robitussin-dm-cough-formula