How long do you give a new baby formula a try before you switch?
Question by : How long do you give a new baby formula a try before you switch?
My baby is 4 1/2 months old. He was born premature 6 1/2 weeks early. So his corrected age is 3 months old. He’s been taking breastmilk from a bottle from the day he was born. So he have no problem taking a bottle. I am getting a little tired from all the pumping. And I have a lot of breast milk in stock (3 months worth if my baby takes nothing but breastmilk) I am trying to transition him into half breast milk, half formula so my stocked breast milk can last longer (for another 6 months or so). We just started one formula brand recommended by his ped. I gave my baby 1:3 ratio of 1 part formula to 3 parts breast milk. First day he did ok in the morning. Then he started to fuss more in the afternoon, but still takes the mixed milk ok. By night he threw up almost all the milk he takes in. My question is: How long should I give this brand of formula a try before I start on another? And should I be adding in the formula slower than what I’m doing? Like give him a mixed milk only once a day for a few days then 2 bottles a day for a few day and so forth. I fed him mixed milk on all the feedings today, so I’m not sure if it’s too fast even if it’s 1:3 ratio?
Best answer:
Answer by Danielle
I think the ratio and the amount you are giving is adequate. It can take up to 2 weeks for new formula to be in the system (for a lack of better words). If he’s still getting sick Thursday, I’d definitely call the dr.
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