M.H.
Definetly call the doc.
We use thie Nose Frida, looks gross works wonderfully. I feel like I get more of the congestion out with that than any other sucker we have used.
http://www.drugstore.com/products/prod.asp?pid=298161&...
Spoon of Honey with Ginger to coat the throat. I make Soup (from scratch), Chicken soup or split pea.. put garlic and onions in them it helps break up the congestion and boost the immunine system. Humidifier in the room while sleeping.
Good luck, it is no fun with a sick kiddo.