The common cold in a young child generates enormous parental anxiety and is among the most common reasons for GP consultation in the under-5 age group. Yet in most cases, the treatment is the same regardless of which exact virus is responsible: supportive care, comfort, and time. Understanding what actually helps – and why antibiotics are not the answer – reduces both unnecessary antibiotic prescribing and parental worry.
Healthbooq covers children's health and evidence-based approaches to common childhood illnesses.
What Is a URTI?
Upper respiratory tract infection (URTI) includes the common cold, pharyngitis, and otitis media (middle ear infection), all of which affect the upper airways. The common cold – caused by rhinovirus in about 40-50% of cases, with picornavirus, coronavirus, RSV, parainfluenza, and adenovirus contributing the rest – is characterised by nasal congestion and discharge, sneezing, mild sore throat, and sometimes low-grade fever.
Young children average 8-10 respiratory infections per year in the first 2 years of life, and attendance at nursery or childcare substantially increases this frequency. This is normal and reflects the building of immune experience rather than a problem with the child's immune system.
Why Antibiotics Do Not Help
Viral respiratory infections do not respond to antibiotics. Antibiotics target bacteria, not viruses, and have no effect on the course of a viral cold. The consequences of unnecessary antibiotic prescribing in children include disruption of the gut microbiome, increased risk of antibiotic-associated diarrhoea, and contribution to antibiotic resistance. NICE guidance (NG116 and NG84) consistently recommends against antibiotic prescribing for viral URTIs and emphasises the importance of communicating this clearly to parents.
Research by Harri Tapiainen at the University of Oulu (Finland) and multiple Cochrane reviews confirm that antibiotics do not reduce the duration of uncomplicated viral upper respiratory infections in children.
Effective Supportive Care
Fluids. Adequate hydration is the most important aspect of management. Fever increases insensible fluid losses; nasal congestion makes feeding harder for young infants. Breastfed babies should be offered more frequent feeds. Older children should be offered water and diluted fruit juice frequently.
Paracetamol and ibuprofen. Age-appropriate doses of paracetamol or ibuprofen (ibuprofen from 3 months and 5kg) provide symptomatic relief from fever, headache, and sore throat. They do not shorten the illness but significantly improve comfort. The dose should be based on weight.
Nasal saline drops. For babies under 6 months whose feeding is impaired by nasal congestion, isotonic saline drops (0.9% NaCl) instilled into the nose before feeds can help clear secretions and allow feeding to proceed more comfortably. They are safe and effective for short-term use.
Honey. For children over 1 year of age, honey has modest evidence for reducing cough severity and duration. A Cochrane review (Oduwole et al., 2018) found honey superior to no treatment and to diphenhydramine for cough in children. Honey should not be given to infants under 1 year due to the risk of infant botulism.
Raised head of cot. For older infants (over 6 months and able to sleep with a slightly raised head position safely), slightly elevating the head of the mattress can help with nocturnal nasal congestion. This should never be achieved with pillows or rolled blankets in younger infants (SIDS risk).
What to Avoid
Over-the-counter cold medicines (decongestants, antihistamines, cough suppressants) are not recommended for children under 6 years. The MHRA issued guidance in 2009 advising against their use in this age group after reviewing evidence that they are ineffective and carry risks of side effects including tachycardia, drowsiness, and paradoxical stimulation.
Aspirin should never be given to children under 16 due to the risk of Reye's syndrome.
Duration and Red Flags
Most uncomplicated URTIs resolve within 7-10 days, though some symptoms (particularly cough) may persist for up to 3 weeks. A child with a cold who is not improving by day 7-10, or who is deteriorating after initial improvement, should be assessed: secondary bacterial infection (otitis media, sinusitis, pneumonia) is possible and changes management.
Red flags requiring urgent assessment: fever above 38°C in any infant under 3 months; respiratory distress; a child who is not drinking and shows signs of dehydration; a child who is very difficult to rouse; a non-blanching rash.
Key Takeaways
Upper respiratory tract infections (URTIs) – colloquially called colds – are the most common illness in young children, with children averaging 8-10 episodes per year in the first 2 years of life. They are caused by viruses (most commonly rhinovirus) and do not respond to antibiotics. Management is supportive: adequate fluids, age-appropriate paracetamol or ibuprofen for fever and comfort, nasal saline drops for congestion affecting feeding, and rest. Honey (for children over 1 year) has modest evidence for soothing cough. Over-the-counter cold medicines are not recommended for children under 6. Most URTIs resolve within 7-10 days.
