The most popular nasal decongestant on U.S. pharmacy shelves may not be there much longer after health officials concluded it’s ineffective. (AP Video/Mary Conlon)

FDA says that decongestant in many cold medicines doesn’t work. So what does?

The most popular nasal decongestant on U.S. pharmacy shelves may not be there much longer after health officials concluded it’s ineffective. (AP Video/Mary Conlon)