Dextromethorphan (DM or DXM) is the OTC cough suppressant. Marketed as Delsym comes in an orange box, or you can find it in various combo formulations, and it works
Delsym is dextromethorphan-polistirex, a long-acting formulation of DXM that is supposed to last 12 hours. DXM is available in almost all cough syrups.
Delsym is dextromethorphan-polistirex, a long-acting formulation of DXM that is supposed to last 12 hours. DXM is available in almost all cough syrups.