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Feeding

My baby suddenly started rejecting the bottle. Why, and what can I do?

Sudden bottle rejection is common and often follows an illness, or stems from reflux, oral thrush, distraction as the baby becomes more aware, or a flow or nipple mismatch. Moms suggest checking the mouth, trying a different bottle, nipple, or formula, feeding in a quiet room, and having someone other than mom offer it.

💡Quick Answer

  • Very common after illness, with reflux, thrush, distraction, or flow issues behind it
  • Check the mouth for thrush and watch for reflux signs
  • Try a different bottle, nipple size, or formula
  • Feed in a quiet, low-distraction room
  • Have someone other than mom offer the bottle; babies take it when truly hungry

⚠️ Caution:Persistent refusal with reduced intake, lethargy, crying in pain, or suspected reflux or thrush should be evaluated by a pediatrician. Do not change formula brands without checking with your doctor.

🤔What Parents Worry About

Parents panic when a baby who took the bottle suddenly refuses it, fearing dehydration, poor intake, and that something is wrong. The community reassures that this is a frequent, usually temporary phase often linked to illness recovery, reflux, thrush, distraction, or simply needing a different bottle or nipple, and that a genuinely hungry baby will take milk. Practical fixes like a quiet room, a new teat, or letting someone else feed often resolve it.

Community Answers from Moms(7)

Here's what moms in our community shared based on their own experience.

  1. 1

    After an illness babies become clingy to mom, so keep trying; have someone else do the first feeds since the baby will want only breastfeed if mom is around.

  2. 2

    Try changing the bottle or the formula brand, as a fussy baby may simply prefer a different one.

  3. 3

    Sudden drops in intake with constant sleeping and crying at feeds can be reflux or silent reflux, which a pediatrician confirmed in one mom's baby, so get it checked.

  4. 4

    Check the mouth for a fungal infection (oral thrush), which can make feeding painful.

  5. 5

    Often it is distraction as the baby becomes more aware of surroundings; feeding in a quiet room with minimal stimulation (just one rattle or book) helps, and babies take the bottle when genuinely hungry.

  6. 6

    For a baby refusing the bottle, try a katori (small bowl) and spoon, a syringe without the needle, or wide-breast nipples that mimic breastfeeding such as the Chicco Natural Feeling Nipple.

  7. 7

    A bottle-fed breastfeeder may have outgrown the teat size; if a full feed takes much longer than 20 to 30 minutes, size up the nipple.

About These Answers

The information shared on this page comes from real experiences of mothers in our community. While we strive to provide helpful insights, this content is for informational purposes only and should not be considered medical advice. Always consult with your pediatrician, healthcare provider, or other qualified medical professional for any questions regarding your child's health or development.

Last reviewed: June 17, 2026

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My baby suddenly started rejecting the bottle. Why, and what can I do? | Real Mom Answers | Mom Insider