Sarah,
We are having the same problem here. Jenna is having alot of trouble sucking when her nose is all blocked up. I actually ended up expressing yesterday adn feeding her that way, cause I was getting sick of my let down squirting milk everywhere each time she pulled off.

Jenna's intake of food/drink has decreased too, and the way I see it, she's not going to waste away overnight, there is a bit of fat there, and I'm sure the cold will clear up over the next couple of days.

We have been using infant demazin - a cold and flu thing for babies, and that doesn't help all that much, but does still help. We have also been usign fess, and the other options are a steam hummidifier or baby balsam on their singlet?

Jenna has had to sleep upright on pillows in our bed cause otherwise she wont sleep with the clocked nose.

Hope something here helps, but I'm with you. Its really difficult!!

Fi