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Croup is a very common childhood infection that is quite easy to recognise by the sound of the barking cough. Although this condition isn’t usually serious, you might be wondering what has caused your child’s cough and how infectious croup in children might be.
Croup is a general term for respiratory illnesses that cause the same kinds of symptoms. Although the exact causes can vary, most cases of croup happen when a child has a viral infection such as the flu. In most cases, these infections won’t cause croup. However, in some children the infection leads to swelling of the voice box and windpipe, which narrows the airway and causes the characteristic barking cough associated with croup in children. The same parts of the airways can also be affected by bacterial infections, but this is much less common than viral croup.
Since croup is associated with infections such as the flu, your child will be able to spread the infection to other people. Those who are affected might not develop the symptoms of croup, but they will still develop the infection that triggered them. If your child has croup then you should be aware that:
Signs of a habit cough include: