What to do when your baby coughs at night

Practical night-time steps for parents when a baby coughs: five quick actions to try now, clear 999/111 triggers and age-safe safety notes.

By Dr Andrew Jenkins 8 minute read

Medically reviewed by Dr James Carter on 27 Apr 2026

What to do when your baby coughs at night

Quick night checklist: five things to try now

Your baby coughing more at night is frightening, but it is often not an emergency. This quick checklist gives you a calm place to start now, before you decide whether to keep watching, call NHS 111 or get urgent help.

Look: Check breathing, colour and alertness.
Clear: If the nose is blocked, try saline first, then gentle suction.
Upright: Hold your baby upright for a calm cuddle.
Feed: Offer their usual feed, or smaller feeds if that is easier.
Comfort: Use soft shushing, gentle rocking or skin-to-skin, then watch for changes.

Soothing tips for you and your baby: keep the room quiet, hold them where you can see their face clearly, and take slow breaths yourself while you check the signs. You are not trying to stop every cough; you are checking whether they are breathing, feeding and responding safely.

Stop and call for help now if your baby has severe breathing trouble, pauses in breathing, blue lips or face, or is very floppy or hard to wake. The next section covers the emergency red flags clearly.

Call 999 now if your baby shows any of these signs

If your baby has any of these signs, call 999 now. Do not wait to see if the cough settles, and do not wait until morning.

Blue, grey, very pale or dusky colour around the lips, tongue or face
Pauses in breathing, breathing that seems to stop, or a very irregular breathing pattern
Severe difficulty breathing — for example grunting, struggling for each breath, or the skin sucking in between the ribs or at the neck
Breathing that suddenly seems much faster, harder or noisier, especially if your baby looks distressed
Very floppy, hard to wake, or unresponsive

If your baby looks seriously unwell, is getting worse quickly, or you are frightened by how they are breathing, treat it as an emergency and call 999.

When to call NHS 111 or your GP — and what to say

If the 999 red flags are not present, call NHS 111 tonight if your baby is very young and feverish, is feeding much less than usual, seems to be getting worse, or you are worried they are not coping well with the cough. If fever is part of the picture, see our advice on fevers in babies for the next steps to check. Book or contact your GP if the cough is lingering, fevers keep coming back, or your baby is improving only very slowly.

Call 111 tonight: a very young baby with fever; any age feeding much less; worsening cough; you are unsure how unwell your baby is.
Call 999: sudden severe breathing problems, collapse, or blue/grey/pale colour around the lips or face.
GP: a cough that is not settling as expected, repeated fevers, or a slow recovery.

Have these facts ready: your baby’s age, how long the cough has been going on, whether it is worse at night, any noisy breathing or wheeze, temperature, feeding changes, wet nappies, and any medicines already given.

Stepwise overnight actions: how long to try each step and when to escalate

If your baby is coughing but does not have the emergency signs already covered, try one thing at a time. The aim is to make one small change, pause briefly, and call for help if breathing, feeding or alertness seems worse.

Start with a safety look. Check breathing, colour and how alert your baby seems. If any emergency red flag is present, stop here and call 999.
If the nose sounds blocked, clear that first. Use saline drops, then gentle suction if needed. Pause briefly and see whether breathing sounds easier. If it seems harder, call NHS 111.
Hold your baby upright for a calm cuddle. This can help if lying flat seems to trigger more coughing. If they become floppy, blue, grey or very hard to settle, call for urgent help.
Offer a small feed if your baby wants one. Usual milk, or smaller feeds more often, may be easier while they are unsettled. If feeds drop sharply or nappies are much drier than usual, call NHS 111.
If it sounds barky and croup-like, try cool air briefly. Only do this if your baby is calm enough and safely wrapped. If breathing is noisy, hard work or getting worse, call NHS 111 or 999 depending on severity.

If you are unsure, it is reasonable to call NHS 111 tonight. If blue or grey colour, pauses in breathing, severe breathing trouble, or being very floppy or hard to wake appear at any point, call 999.

Remedies — what’s safe by age

As a rule, the younger your baby, the simpler the approach should be: comfort, usual feeds, and gentle help for a blocked nose, with a lower threshold for asking for advice.

Newborns and very young babies: ask for help sooner rather than relying on home remedies. If your baby seems feverish, is feeding poorly, is unusually sleepy, or you are simply worried, call NHS 111. Avoid giving medicines unless a clinician has told you to use them.
Older babies: saline drops and gentle suction may help if the nose is blocked. Keep offering usual milk feeds, or smaller feeds more often if that is easier. Do not use cough or cold medicines unless a GP or pharmacist has said they are suitable.
Babies not yet one: do not use honey to soothe a cough.
Toddlers and older children: honey may help soothe a cough, and cool drinks or cold treats can feel comforting for some children. Check any pharmacy remedy carefully, as age rules and advice vary.

If your baby is taking much less milk, seems to tire or struggle during feeds, or just does not seem right for them, follow the earlier call guidance instead of trying more remedies.

Devices and cleaning: humidifiers, suction and steam safety

Devices are comfort measures, not a substitute for checking breathing and colour. If you use anything overnight, keep watching how hard your baby is working to breathe, whether feeds are dropping, and how alert they seem.

Humidifiers: If you choose to use one, avoid hot steam and keep the device well away from the cot.
Steam: Avoid bowls of hot water, steam tents, or holding your baby near anything hot enough to burn.
Placement: Keep any device away from bedding and your baby’s face. Cords should stay fully out of reach.
Suction: Use it gently, usually after saline drops if the nose seems blocked. Stop if your baby becomes very distressed or seems worse afterwards.
Cleaning: Follow the maker’s instructions, empty and dry devices after use when you can, and do not keep using anything that smells musty or looks unclean.

If you are unsure whether a device or suction is helping, stop and call NHS 111 for advice.

Quick compare: croup, bronchiolitis and reflux

Use these as clues, not a diagnosis. Cough sounds can overlap, and a baby can have a cough that does not fit neatly into one pattern.

Croup may sound like: a barking, seal-like cough, often worse at night, sometimes with noisy breathing in. It is often talked about in toddlers, but younger children can be affected too.
Bronchiolitis may sound like: a wheezy, crackly or rattly chest rather than a barky cough. Babies may feed less, tire more quickly, or seem to breathe faster.
Reflux may look like: coughing linked to feeds or lying flat, sometimes with small spit-ups or swallowing noises. It may ease a little with calm upright settling after feeds.

Try not to focus too much on naming the cause in the moment. If your baby’s breathing looks hard work, they are taking much less milk, or they seem unusually sleepy or hard to rouse, get advice urgently. If they develop blue or grey colour, pauses in breathing, or severe breathing difficulty, call 999.

Short FAQ: quick answers to common night‑time questions

Here are a few quick answers to common night-time questions. If your instinct says something is not right, call NHS 111 rather than trying to label the cough on your own.

How can I tell croup from bronchiolitis? Croup is more likely to sound barky, with noisy breathing in. Bronchiolitis is more likely to cause a wheezy or crackly chest, faster breathing and feeding that drops off.
Can younger babies get croup? Yes, they can, although it is more often talked about in toddlers. If your baby’s breathing seems hard work, they are unusually sleepy, or they look pale or blue around the lips, get urgent help.
Is steam or a humidifier safe? Avoid hot steam, bowls of hot water and anything that could burn. If you use a humidifier, keep it well away from the cot and use it as a comfort measure, not a substitute for watching your baby’s breathing.
When should I use suction? Only if a blocked nose seems to be making feeds or breathing noisier. Saline first, then gentle suction if needed, and stop if your baby becomes very upset or seems worse.