Quoting Blythe.:" could he need a faster flow nipple?"
Quoting CrapBag.:" can you stop putting rice in and use a normal nipple?"
Quoting TmA's mommy:" Hes on a y cut because his formula has rice starch in it. He just doesn't want to swallow he spits whole mouthfuls out."
Quoting Buffy♥:" Maybe try another formula that's not so thick?"
Quoting Arwen Undómiel:" It was maybe around that time my DD went through something similar due to teething... She thrashed when ... [snip!] ... to feed her and wouldn't eat. Baby Tylenol helped. It also only lasted like a week and then she went back to eating normally."