If my baby drinks water and eats less formula, is that a problem?
⚡ Short answer: Babies under 6 months don't need water — breast milk or formula is their whole nutrition source and already covers their fluid needs.
Anonymous
bir anne · Development
I started giving my baby water, and now he's drinking less formula. Is the extra water filling him up and keeping him from milk?
Maiyko AI ADVISOR
The real reply from the in-app AI advisor
Babies under 6 months don't need water — breast milk or formula is their whole nutrition source and already covers their fluid needs. Once you start solids around 6 months, small amounts of water (60–120 ml a day) are fine, but beyond that can fill your baby's stomach and cut into milk or formula intake — which means missing calories and nutrients. If your baby is drinking noticeably less formula, look at how much water he's getting. Offer water between meals in tiny sips from a cup or with a spoon, not in big amounts.
If he's noticeably eating less within 2–3 days and doesn't bounce back, or if you see his weight gain slow, talk to your pediatrician.
⚕️ Health note: This answer is for general information only; it is not medical advice. Every baby is different — for decisions about your baby's health, consult your pediatrician.
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