Feeding becomes stressful very quickly when your baby keeps pulling away from the bottle.

One minute, they seem hungry. Next, they’re squirming, crying, or relatching every few seconds like something suddenly changed.

What makes it harder is not knowing what changed. Because babies don’t explain discomfort directly, they react to it.

And a baby who repeatedly unlatches during feeds can leave parents stuck in a loop of second-guessing:

• Are they still hungry?

• Are they uncomfortable?

• Is something developing?

And the uncertainty often becomes more exhausting than the feeding itself. 

Pulling away from the bottle is usually a signal, not a refusal. And once you understand what may be causing it, feeding often becomes much easier to navigate.

4 Reasons Your Baby Keeps Unlatching

1. Sometimes It’s the Flow

One of the most common reasons babies repeatedly unlatch is that the milk flow doesn’t feel manageable.

When milk comes too quickly, feeding can stop feeling controlled and start feeling stressful. Instead of calmly sucking and swallowing, babies begin reacting to the pace:

• pulling away

• gulping

• coughing

• arching

• repeatedly breaking the latch

Some babies even appear frantic during feeds, especially when they’re hungry and trying to keep up at the same time.

It can look like fussiness, but often it’s just your baby trying to regain control of the feed.

This becomes more common as babies grow because feeding preferences change over time. A bottle setup that worked a month ago may suddenly feel too fast or too slow for where your baby is developmentally now.

2. Feeding Feels Stressful

The opposite problem can also happen. If the nipple flow is too slow, babies may start unlatching out of frustration or fatigue.

You’ll often notice:

• long feeds

• constant repositioning

• chewing the nipple

• pulling off and relatching repeatedly

Some babies become irritated halfway through because they’re working harder than they want to for the amount of milk they’re getting.

And younger babies especially don’t have endless feeding stamina.

When feeding becomes tiring, they stop and restart constantly instead of settling into a smooth rhythm.

3. Air Intake Can Quietly Disrupt the Entire Feed

Sometimes the issue isn’t the milk itself, it’s the air entering during the feed. Babies naturally swallow some air while feeding, but excessive air intake can create pressure and discomfort surprisingly quickly.

A baby who feels uncomfortable during feeding may:

• unlatch often

• squirm

• pull their legs upward

• seem restless halfway through a bottle

As feeding discomfort builds, the feed itself starts feeling unpleasant, even if the baby is still hungry.

Not every unlatching issue comes from swallowed air. But for some babies, reducing feeding discomfort changes everything.

This is one reason bottle design matters more than many parents expect.

Dr. Brown’s bottles were created after Dr. Craig Brown noticed that air bubbles in milk were causing discomfort in his baby.

The internal vent system was designed to reduce excess air intake and help babies maintain a smoother suck-swallow-breathe rhythm throughout feeds.

4. Their Body Is Growing

Around certain developmental stages, feeding becomes less straightforward.

Babies become more alert. More distracted. More aware of the world around them. And suddenly:

• lights are interesting

• sounds are distracting

• movement grabs their attention mid-fee

A baby who once fed calmly may now unlatch every few seconds simply because their brain is developing faster awareness.

This often peaks around:

• 3 to 5 months

• developmental leaps

• teething phases

And while it can feel frustrating, it’s usually temporary.

Your baby is becoming more curious about everything happening around them.

Discomfort Doesn’t Always Look Obvious

Parents often expect discomfort to look dramatic. But babies frequently communicate discomfort subtly before full crying begins. 

A baby who repeatedly unlatches may actually be responding to:

• mild reflux

• trapped air

• teething pressure

• overstimulation

• feeding fatigue

The unlatching becomes their pause button. Their way of regulating what they can’t yet explain. That’s why looking at the whole feeding experience matters more than focusing on one isolated behaviour.

Feeding Is More Physical Than Most Parents Realise

Bottle feeding can look simple from the outside, but for babies, it’s surprisingly demanding.

Every feed requires them to coordinate:

• sucking

• swallowing

• breathing

• staying calm and regulated at the same time

When one part of that rhythm feels off, babies instinctively pause, unlatch, or pull away to reset themselves.

That’s why the pattern around the unlatching matters more than the unlatching itself.

So What Actually Helps?

Usually, the biggest improvements come from small adjustments rather than one major change.

Sometimes it’s:

• slowing the feed down

• changing nipple flow

• feeding in a quieter environment

• pausing more often for burping

• adjusting feeding position

And sometimes, it’s simply recognising that your baby’s feeding needs have changed since the last stage. Because feeding isn’t static. As babies grow, their coordination, sensitivity, appetite, and comfort levels change constantly too.

The Bigger Picture

Repeated unlatching can feel stressful in the moment, but It’s your baby responding to something their body is experiencing during the feed.

Once you start viewing feeding behaviours as communication instead of “bad feeding,” things become much easier to interpret.

And often, a few small changes are enough to help feeding feel calm and comfortable again for both of you.

FAQs

• Is it normal for babies to unlatch repeatedly from the bottle?

Yes. Many babies go through phases where they pull away frequently during feeds, especially during developmental changes or feeding discomfort.

• Can teething cause bottle unlatching?

Yes. Sore gums can make feeding feel uncomfortable, causing babies to pause or pull away more often.

• Should I change bottle nipples if my baby keeps unlatching?

Possibly. Babies may unlatch if milk flow feels too fast or too slow for their feeding stage.