From what you've written and being a mommy myself I'm going to suggest that it's most likely due to your son either sucking so hard that it's collapsing the nipple and he's not getting the food he wants so he's continuously working hard to get it... or (this is the most likely cause) your son is simply so hungry that he's forgetting to BREATHE while he's eating for the first few minutes... Boys are often ravenous eaters who act like they're starved, try feeding him a little sooner than normal. If that doesn't work also try giving him a break..take the bottle out of his mouth while he's eating to make sure he's getting air in his lungs... yes, he may scream, but take it out, talk to him, and put it back in his mouth in a few seconds... Good luck! Hope this helps!
at 1:38 PM on May. 7, 2010