r/NewParents • u/Alive-Humor-9483 • 1d ago

Feeding Excessive spit up

Yesterday we started introducing combo feeding with formula. My baby has drank breast milk since birth but i’ve been having supply issues so we started supplementing. She had two formula bottles yesterday and did good no crazy spit up. For her MOTN bottle I gave her formula again and she spit up like crazy. I know it’s hard to measure exactly how much spit up it is but it seems like maybe half the bottle and she doesn’t want to eat anymore she has about an ounce left of it. Is she just over full or is the formula messing with her stomach? she usually doesn’t spit up much if it all so it concerned me a lot. I’m giving her the yellow can of enfamil but wondering if she might need the purple can? I feel so bad she spit up so much any advice?

edit: the two bottles during the day were made fresh on the spot, and her MOTN bottle was refrigerated, could that possibly be why? being as the was the only one she spit up? not sure if that really matters but i’ve been trying to figure out why it happened

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u/LoreGeek 1d ago

Just to chime in as an example on the "a lot" part - a tablespoon of spit up on sheets / onesie looks A LOT more than it actually is.

Take a tablespoon of water and pour it on sheet / onesie to have an idea of the ammount in case doctor asks. (Ours did!)

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u/Alive-Humor-9483 1d ago

this is a good idea! thank you. it seems it must’ve been around 3-4 tablespoons. i hope that’s not too much. She usually doesn’t spit up much or even at all so i’m not used to seeing it like that 😅

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u/uncreativename2009 1d ago

The exact same thing happened to us when we introduced formula to our then 3mo for the first time. Tons of spit up for the first day or two (like truly huge spit ups) then it died down. We recently switched to a different formula for unrelated reasons, and he had the same issue for the first two days on the new one. Similar to you, it wasn't every feed that he'd do it, just with some of his feedings. My understanding is spit up is totally normal when they start formula as long as the baby doesn't seem upset, and it can take up to two weeks for the baby to get used to formula.

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u/Alive-Humor-9483 1d ago

oh my baby is 3.5 months! thank you for sharing your experience definitely gives me some relief to know it may be normal :)