18 August 2026 · Veronica Chi
Business & Product Director · Mum of two
Why Does My Baby Cry During and After Feeds?
Crying around feeds is worth taking seriously because, unlike most newborn crying, it usually has an identifiable cause. The two timings point in different directions: crying during a feed is generally about how the milk is arriving, and crying afterwards is generally about what happened to it once it was in.
Crying during a feed
- Fast let-down. Milk arrives faster than they can swallow, so they pull off, splutter, cry, and go back on. Clues: coughing, gulping, milk spilling, clamping. Try feeding lying back so gravity works against the flow, or express a little before starting.
- Slow flow, or a teat too small. The opposite problem — working hard for little return, and giving up in frustration partway through.
- Latch or positioning. Painful for you, inefficient for them. Worth having a whole feed watched in person by someone who knows what they are looking at; this is the single highest-value step and the most often skipped.
- Wind partway through. They stop, arch, cry, then feed happily again once it moves. Break mid-feed and hold them upright.
- A blocked nose. Babies breathe through the nose, so a cold makes feeding genuinely hard. Saline drops before a feed change the whole thing.
- Reflux. Distress that builds partway in, with arching and pulling away.
- Distraction, from about four months. Not distress at all — they pull off to look at things. Feed in a quiet, dim room.
- Teething, from around four to six months. Sucking increases pressure in sore gums.
- Tongue tie, if feeding has been difficult from the start with poor transfer and pain. It is assessable and often addressable.
Crying after a feed
- Wind. The most common by far. Upright against your shoulder for five to ten minutes, and be patient — a bottle-fed baby usually needs more winding than a breastfed one.
- Reflux. Milk coming back up the food pipe. Common, usually harmless, and it peaks around four months.
- Still hungry. Poor transfer at the breast, or a feed cut short. Check nappies and weight rather than guessing.
- Overfeeding, in bottle-fed babies. A bottle can be finished after appetite has ended, particularly if it is being paced by the adult rather than the baby.
- Needing to pass a stool. Straining, going red, drawing legs up, then contentment afterwards.
- Cow's milk protein allergy. Worth considering when crying comes with eczema, reflux, mucus or blood in stools, or diarrhoea.
Reflux, in proportion
Most babies bring up some milk, and most of them are unbothered by it — a happy spitter needs no treatment beyond more laundry. It generally starts before eight weeks, peaks around four months and resolves as the valve at the top of the stomach matures and the baby spends more time upright.
It becomes worth acting on when it causes distress rather than mess: frequent forceful vomiting, arching and pulling away during feeds, poor weight gain, refusing feeds, or a persistent cough. Ask a doctor rather than starting a treatment yourself, because several conditions look similar and the medications are not benign.
- Feed smaller amounts more often.
- Hold upright for twenty to thirty minutes after a feed.
- Wind thoroughly and unhurriedly.
- Never prop or incline the cot for sleep. Sleep stays flat and on the back regardless of reflux — this is not negotiable, and inclined sleepers have been recalled for good reason.
Cow's milk protein allergy
More common than most parents realise and frequently mistaken for colic. It can occur in breastfed babies through the mother's diet as well as in formula-fed ones. The picture is usually crying plus something else rather than crying alone.
- Eczema, particularly if it is difficult to control.
- Reflux and vomiting.
- Diarrhoea, constipation, or mucus or blood in the stools.
- Poor weight gain, or refusing feeds.
- A family history of allergy, asthma or eczema.
If several of these apply, ask a doctor rather than switching formula or cutting dairy from your own diet unsupervised. Diagnosis usually involves a supervised exclusion and reintroduction, and doing it informally tends to produce an unclear answer and an unnecessarily restricted diet.
Practical things that help most feeds
- Feed before they are frantic. A baby crying hard cannot latch well, and calming them first is faster than persisting.
- Upright or laid-back positioning rather than flat.
- Pace bottle feeds: horizontal bottle, breaks, let them set the rhythm rather than draining it.
- Quiet, dim room from about four months, when distraction takes over.
- Skin-to-skin before a difficult feed.
- Get one whole feed watched by a professional if feeding has been hard from the start. Most feeding problems have a fixable cause and it is rarely found by reading.
When to ask today
- Weight gain has flattened, or fewer wet nappies than usual.
- Forceful, projectile vomiting after most feeds.
- Green or bile-stained vomit, or blood in vomit or stools.
- Refusing feeds, or taking well under half the usual amount.
- A temperature of 38°C or above in a baby under three months.
- Inconsolable episodes with legs drawn up and vomiting, which need immediate assessment.
Questions parents ask
Why does my baby cry and pull off the breast?
Most often fast let-down — milk arriving faster than they can swallow, with coughing, gulping and spluttering. Feeding in a laid-back position or expressing a little first both help. Wind partway through, a blocked nose and, from four months, simple distraction are the other common causes.
Why does my baby cry after every feed?
Wind is by far the most common, followed by reflux, still being hungry, or needing to pass a stool. Hold them upright for five to ten minutes and be patient. If crying comes with eczema, blood or mucus in stools or poor weight gain, ask a doctor about cow's milk protein allergy.
Should I raise the head of the cot for reflux?
No. Sleep stays flat and on the back regardless of reflux, and inclined sleepers have been recalled. Feed smaller amounts more often, wind thoroughly and hold them upright for twenty to thirty minutes after a feed instead.
How do I know if it is colic or cow's milk allergy?
Allergy usually presents as crying plus something else — eczema that is hard to control, reflux, diarrhoea or constipation, mucus or blood in stools, or poor weight gain. Colic is crying in a baby who is otherwise well and growing. If several allergy signs are present, ask a doctor rather than changing formula yourself.
Sources
This guide is general information, written to help you understand a topic and ask better questions — it is not medical advice and does not replace your own doctor, midwife or paediatrician. Anything that worries you about your baby belongs with them.