During hot weather last week my 3wk old went from drinking 2oz every 3-4hrs to 4oz every 2-3hrs. Since the weather has been a bit cooler she's gone back to 2oz. My concern is now she seems really unsettled during feeds, squirming and crying out. We started giving infacol on Saturday and swapping to mam anti colic bottles but no difference yet. Could it be she's in pain and can't drink more than 2oz? It's awful seeing her look so miserable during feeding time :(