Why is my baby vomiting after feeding?
Vomiting after feeding can range from simple spit-up to something that needs medical evaluation, so the type of vomiting matters a lot.
This page is written for day-to-day parenting decisions. It focuses on what parents usually notice first, what can often be checked at home, and when it makes sense to get medical or professional advice. It is general guidance, not a diagnosis.
What this question usually means in real life
Parents often use the word vomiting for any milk coming back up, but there is a big difference between easy spit-up and forceful vomiting. Vomiting may happen with a stomach bug, overfeeding, reflux, coughing, or, less commonly, a condition that blocks food from moving normally.
What matters most is whether your baby looks hydrated and comfortable, whether the vomiting is forceful or repeated, and whether weight gain and feeding are being affected.
It also helps to think in terms of progress over days, not perfection in a single feeding. Babies often have growth spurts, off days, distractions, and appetite changes. What matters most is whether your child is staying hydrated, growing, and generally doing well overall.
What you can try first
- Offer smaller, more frequent feeds if overfilling may be contributing.
- Keep your baby upright after feeds.
- Avoid bouncing or tight pressure on the belly right after eating.
- Track when vomiting happens and how often.
What to check at home
- Check if the milk is dribbling out or coming out forcefully.
- Look for green color, blood, or vomiting that happens every feed.
- Count wet diapers and watch energy level.
- Notice whether your baby wants to feed again or seems weak and uncomfortable.
When to get extra help
Call promptly for green or bloody vomit, projectile vomiting, dehydration, poor weight gain, fever, or a baby who seems very sleepy or ill.