Well, I gave it to him in the morning, he had woken up at 5am to feed milk, so at 8am he wasn't famished and tried him on the cereal, then at 9am I gave him is normal milk. I decided to introduce cereal now because he was doing "alright" with the 4 hour schedule, more like 3.5 hours, but over the last couple of weeks he's been eating his 6oz every 2-3 hours during the day. Just acting so famished. And he went from only waking once during the night to 2 to 3 times. So I thought I'd try him on cereal to see if this would help get his milk back on a 4 hour schedule.
He didn't have a fever nor was acting out of sorts when he was doing all the throwing up. He was being fine then I felt his stomach convulsing and then it went everywhere, 4 times in about a 1 hour period. After that he was just exhausted and passed out to sleep for 2.5 hours. He's never done this before. Was wondering if rice or barely is easier on the tummy? No idea myself.