PAEDIATRICS
When a Child’s Cough Needs Medical Review
Why most coughs settle with time, when assessment is sensible, and what to watch for.
Coughs are common in children, particularly during colder months and after viral infections. Most settle with time, fluids and rest — a post-viral cough can linger for 2–3 weeks and still be entirely normal. The difficulty for parents is knowing when a cough has moved from something that will resolve on its own to something that deserves a doctor’s assessment. The answer usually depends on the character of the cough, what other symptoms are present, and how the child is between coughing episodes.
A same-day review through paediatric GP care is appropriate when you are unsure whether the cough is settling as expected.
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Common causes of childhood cough
The most common cause is viral upper respiratory infection — the common cold. This typically produces a dry or slightly wet cough alongside a runny nose, mild temperature and general irritability, lasting 1–2 weeks. Post-nasal drip from a cold can cause a cough that worsens when lying down and may persist for several weeks after the acute illness has passed. Croup produces a distinctive barking cough, often worse at night, with a hoarse voice and sometimes a harsh inspiratory noise (stridor). Bronchiolitis, most common in babies under 12 months, causes a wet cough with wheezing and breathing difficulty. Chest infections may produce a persistent wet cough with fever, fast breathing and reduced appetite.
When a cough needs assessment
A GP review is sensible when the cough is accompanied by wheeze or audible breathing difficulty, when it has lasted more than 3 weeks without improving, when the child has a persistent or worsening fever alongside the cough, when the cough regularly disturbs sleep or causes vomiting, when there is chest pain or the child is visibly working harder to breathe (drawing in ribs, nasal flaring, fast breathing), or when the child has a recurrent pattern of coughing episodes that may suggest asthma, allergic airway disease or another underlying cause.
A night-time cough that follows a predictable pattern — particularly in a child with a history of eczema or hayfever — may warrant discussion about possible asthma or reactive airway disease, even if the child seems well during the day.
Emergency signs
When to seek urgent or emergency help
Emergency assessment is needed if the child is struggling to breathe, has blue or grey lips or tongue, is making a grunting noise with each breath, is unable to complete sentences or feed because of breathlessness, has severe stridor (harsh noise on breathing in) at rest, or appears significantly more unwell than expected. These situations require urgent medical assessment through A&E or 999, not a GP appointment.
Same-day appointments available. Book online or call 020 7736 7557.
The appointment
What a GP will assess
A paediatric GP appointment for a cough involves listening to the chest, checking respiratory rate, oxygen levels where available, temperature, and examining the ears and throat. The history of the cough helps distinguish between viral illness, bacterial infection, reactive airways and other causes. The next step may be reassurance, a prescription where a bacterial infection is suspected, a trial of inhaler therapy, or onward referral if further investigation is needed.
Common questions
Which features of a cough suggest more than a simple viral illness?
A cough that is persistent beyond a few weeks, cough with difficulty breathing or fast breathing, cough that disturbs sleep significantly, a wet cough producing discoloured phlegm, cough with fever that does not settle, or a cough accompanied by wheeze or chest pain warrants review rather than waiting it out.
When should a cough prompt same-day review rather than wait-and-see?
Same-day review is appropriate for cough with fever that has lasted several days, cough with fast or laboured breathing, cough with a poorly child not drinking well, or a cough that is suddenly much worse. Basuto keeps same-day appointments available for these situations.
What red flags should trigger 999 or A&E?
Call 999 or go to A&E for: a child struggling to breathe, very fast breathing, blue or grey lips or skin, severe chest pain, a child who is drowsy or difficult to wake, a non-blanching rash, or any situation where the child appears significantly unwell. If in doubt, seek urgent assessment rather than waiting.
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