Dissolve a full package of Hall's original flavor cough drops into a quart of the cheapest, nastiest, whiskey you can find.

Tell yourself that if you don't get better fast you'll drink it.

Alternately, what gnu said. You can get saline nasal solution at the drugstore and, if you can take it, dextromethropan to suppress the cough. I find Mucinex or its generic works quite well, too.