Croup in children: Watch for barking cough and breathing difficulty

By Bilge Türk | MediCenter TV

IZMIR, TURKEY — A sudden barking cough that worsens at night and a high-pitched sound while breathing may indicate croup in children, while breathing difficulty at rest requires urgent medical assessment.

Croup is a common viral respiratory illness that becomes more frequent during the autumn and winter months. Although most cases are mild, swelling in the upper airway can cause significant breathing problems, particularly in babies and young children whose airways are naturally narrower.

Dr. Fikret İşbilir, a pediatrician at Batıgöz Health Group’s Balçova Surgical Medical Center, said parents should observe not only the sound of a child’s cough but also how the child is breathing, behaving and responding while resting.

Croup is most common in young children

Croup causes inflammation and swelling around the larynx, vocal cords and upper section of the trachea. It is seen most frequently in children between 6 months and 3 years of age, although older children can also develop the illness.

According to İşbilir, parainfluenza viruses are the most common cause of croup. Other respiratory viruses, including influenza and respiratory syncytial virus, or RSV, may produce a similar clinical picture.

The illness can initially resemble an ordinary upper respiratory infection. A child may develop a runny nose, mild fever, hoarseness and an unremarkable cough before the more characteristic symptoms appear.

“Young children have narrower airways than adults,” İşbilir said. “Even mild swelling can therefore have a noticeable effect on their breathing. Parents should closely monitor any change in the nature of the cough or the way the child breathes.”

Because of this narrower airway, symptoms may worsen more rapidly in young children. Infants under 6 months of age, children with repeated episodes or those with unusually prolonged or severe symptoms should be evaluated by a doctor to rule out other causes of airway obstruction.

A barking cough often becomes worse at night

The most recognizable symptom of croup is a dry, harsh cough that may sound like a barking dog or seal. A child who has only mild cold symptoms during the day may suddenly wake at night with repeated bouts of this distinctive cough.

Some children also develop a high-pitched, harsh sound while breathing in. This sound, known as stridor, is associated with narrowing of the upper airway.

Stridor that occurs only while a child is crying, active or distressed may accompany a milder episode. If it can also be heard while the child is calm and resting, it may indicate more significant airway narrowing and should not be ignored.

The loudness of the sound alone does not always show how severe the obstruction is. Parents should also watch for visible effort while breathing, changes in skin colour, unusual tiredness, agitation and reduced responsiveness.

Croup symptoms frequently become more pronounced at night. For this reason, parents caring for a child with the illness should continue checking the child’s breathing and general condition after bedtime.

Keeping the child calm is the first priority

Crying and distress can worsen upper-airway obstruction. When symptoms begin, the child should be comforted and allowed to remain in the position in which breathing feels easiest.

Parents should avoid forcing the child to lie down. Holding the child upright or allowing them to sit comfortably with a caregiver may help reduce anxiety and prevent additional respiratory effort.

Some children with mild or moderate symptoms may appear temporarily more comfortable in cool air. However, this should not be regarded as a treatment and must never delay medical assessment when breathing difficulty is present.

İşbilir warned families against using hot steam. The benefit of steam inhalation for croup has not been adequately demonstrated, while hot water and steam can cause serious burns, particularly in young children.

Children who can swallow comfortably may be offered fluids in small amounts. Food or drink should not be forced on a child who is struggling to breathe, having difficulty swallowing or drooling excessively.

Cough medicines should also not be given without medical advice. Some products can cause sedation or suppress breathing without treating the upper-airway swelling responsible for croup symptoms.

Warning signs require urgent medical help

Most cases of croup improve without complications, but upper-airway narrowing can occasionally progress quickly. Parents should seek urgent medical assistance if the child:

• Has stridor while calm or resting
• Is visibly struggling to breathe
• Has pulling in between the ribs, below the rib cage or around the neck
• Develops blue, grey or unusually pale lips, tongue or skin
• Has difficulty swallowing or drools more than usual
• Becomes unusually sleepy, weak or difficult to wake
• Shows confusion, reduced responsiveness or marked limpness
• Is extremely restless and cannot be comforted while experiencing breathing difficulty
• Appears exhausted or makes less respiratory effort despite remaining unwell

“Time should not be lost on home remedies when a child has clear signs of respiratory distress,” İşbilir said.

Drooling, swallowing difficulty, a toxic appearance or a sudden deterioration can also be associated with medical conditions other than typical viral croup. These findings require prompt professional assessment rather than treatment at home.

Treatment depends on the severity of symptoms

Croup treatment is determined by the child’s age, general condition and degree of airway narrowing. The same medication or treatment plan is not appropriate for every child.

A doctor may prescribe a corticosteroid to reduce airway swelling. In moderate or severe cases, nebulized epinephrine may be administered in a medical facility to provide rapid relief from airway obstruction.

Children treated with nebulized epinephrine may require observation because symptoms can return after the medication’s effect decreases. Severe respiratory distress or an inadequate response to initial treatment may require hospital care and specialist airway support.

Parents should not give corticosteroids, epinephrine or medication previously prescribed to another child. The appropriate medicine, dose and method of administration must be determined by a qualified healthcare professional.

Because uncomplicated croup is usually caused by a virus, antibiotics are not routinely used. Antibiotic treatment may be considered only when a doctor identifies a separate bacterial infection or another bacterial condition affecting the airway.

Symptoms often begin to improve within several days, although the cough may continue for longer. Children should be reassessed if symptoms worsen, repeatedly return or fail to improve as expected.

Reducing infection risk in nurseries and schools

The viruses that cause croup can spread through respiratory secretions, droplets produced during coughing or sneezing, contaminated surfaces and close personal contact.

Transmission can occur more easily in nurseries, preschools and schools, where children spend extended periods in shared indoor environments.

Regular handwashing, cleaning frequently touched surfaces, ventilating indoor spaces and limiting close contact between symptomatic children and others can help reduce the spread of respiratory infections.

Children should be taught to cough or sneeze into a tissue or the inside of their elbow. Drinking cups, cutlery and other personal items should not be shared while a child is unwell.

There is no vaccine specifically designed to prevent croup. However, keeping routine childhood vaccinations up to date helps protect children against several vaccine-preventable infections that can cause serious respiratory illness.

İşbilir emphasized that croup does not affect every child with the same severity. Families should continue monitoring the child’s breathing, alertness and ability to drink, particularly during the night, and should not delay seeking medical care if the child’s condition deteriorates.

This article is provided for general information and does not replace a medical examination, diagnosis or individualized treatment. In Turkey, call 112 if a child develops severe breathing difficulty, blue lips or tongue, or a change in consciousness.

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