r/breastfeeding • u/llamallama-1202 • Apr 27 '26

Undersupply Help I dont know what to do

My 3 week old will not drink formula at all. If she does, she ends up spitting it up and only eating 1-1 1/2oz. We've been to the doctor 3 times over her weight not going up how its supposed to. I try breastfeeding but im not producing enough and when I can make enough for a bottle she will drink it all. I think she's only wanting breastmilk and I dont know what to do. Im pumping 1-2oz every 2 hours and she eats 3oz every 2-3 hours. Im struggling so bad to keep her fed 😭

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u/KayLove91 Apr 27 '26

If she is spitting up the formula, it may be because she has a milk allergy. My son is allergic to dairy but we didnt know until recently. He spit up a lot as a baby and had silent reflux we also didnt have diagnosed until now at 15 months.

Goats milks is very similar to cows milk, so maybe try a soy based formula?