Quote Originally Posted by Bluntman21
what's the difference between Dextromethorphan Polistrex and Dextromethorphan Hydrobromide? thanks.
Not sure about dextromethorphan polistrex, but dextromethorphan hydrobromide is just DXM in the acidic form. The hydrobromide is not actually a part of the DXM chemical, but is a type of acid. The only thing that might change is the DXM gets an extra proton from the acid and becomes acidic.