DS EBF has always been a bit windy, have been using colief for a few months and it seemed to work well until today. He has been inconsolable, unable to finish feeds because he's in pain. when he does burp or trump it sounds really painful, like a real gritty hard sound rather than just a belch. He's had a lot of wind from his bottom the last couple of days but it doesn't seem to have bothered him like today. I literally could not shift his wind, I could feel air bubbles moving around inside him but couldn't move them out. He's asleep on me now but I can tell he's still uncomfortable, tried lying him on his back and he woke instantly.
I haven't eaten anything different, the only thing I can think of is that he had his injections today, could they be causing this reaction??