When your baby’s tummy is upset, it’s often hard to tell what’s causing the problem. If you notice a regular pattern, and you are nursing, it could be something you’re eating. Keep track of your meals (what you eat and when) and make note of when the baby spits up. Sometimes it’ll be just normal spit up from gas, sometimes it may be something else.

One of my children never spit up, the other kept spitting up all the time. Then I discovered, by accident, that my iron supplements were the problem. I forgot to take them for a couple days, when I was visiting family, and my son didn’t spit up while we were gone. We got home, he started spitting up again. I didn’t make the connection at first, but later remembered my father-in-law saying that he couldn’t take vitamins with iron in it. I stopped taking them, and he quit spitting up.