My 10w/o dd is suddenly very windy and uncomfortable, she squirms, grunts, goes rigid when feeding and sometimes point blank refuses the boob. If she doesn't get fed immediately on cue she screams. She is waking every 1.5hrs in the night and doesn't go down after a feed without 30-40 mins rocking and then wakes again in an hour or hour and a half 
. This is all new as of this weekend, very distressing. I mix feed but had always wanted to get closer to ebf, but this has put a real spanner in the works as sometimes when she screams the only thing that will calm her is the bottle. I can hear that she's windy but no amount of burping is getting it up. Just started infacol today, how long should it take to work??