E hasn't been a spitty baby. She would on rare occasion spit up or throw up. But I think she's sick because for the past day and half she has thrown up after very bottle. And I don't think it's from over feeding since she has been eating a little less too. I put a call into the pedi this morning but she hasn't been able to get back to me yet. If she is sick with a stomach bug, what do you do for a 3+ month old?