Sudafed products are commonly used to treat cough, cold, and flu symptoms. The main active ingredient in most products is a decongestant. A decongestant lowers swelling, inflammation, and ...

Delsym products are commonly used to treat cough. The main active ingredient in most Delsym products is dextromethorphan. It reduces your urge to cough. There are Delsym products for adults and ...