Ummm...if you have a stomach bug, dairy products are not something that you should be eating for at least 24-48 hours after the vomiting has stopped according to my kids' pediatrician.

A lot of his recommendations could be done low carb; chicken broth with some light veggies instead of chicken noode or chicken rice soup, sugar-free jello and sprite. You can even make a sugar-free version of Gatorade, if you need to.

Bottom line, though, is that when you're sick you need to take it easy on your body so do whatever makes you feel the best and worry about losing weight when you're well.