My Grammie used to so this: Old-Fashioned Mustar Plaster "A mustard plaster will bring nearly immediate relief and warmth to a respiratory system plagued by long lingering coughs, congestion, bronchitis or cold damp pneumonia. It works mainly by increasing circulation and introducing deep heat to congested lungs, thus stimulating the loosening and expectoration of mucus."
Keep this in mind if you start seeing lots of spiders around your place. Natural spider killer or prevention... take one cup of vinegar, one cup of pepper, a teaspoon of oil and liquid soap. Put it into a spray bottle and spray along the outside of your outside door and along windows;