"Comparatively, phenylephrine [sold as Sudafed PE] is only affected when taken via nasal spray ... guaifenesin (Mucinex) can help loosen mucus if you have a productive cough," explains Dr. Connor.
“Cough medicine with dextromethorphan can calm coughs, while guaifenesin helps loosen mucus,” Dr. Neil Bhavsar ... Gold recommended limiting nasal spray use to just three days to avoid ...
On Medindia find the complete list of Expectorant And Cough Products drugs with their available forms and strength. More information is available on each drug including their price list.