What Causes a Cough in Children?
Coughing is a natural reflex that helps clear irritants and mucus from a child's airways. While a cough can be disruptive and concerning, it's important to understand the underlying cause for effective management. Several factors can trigger a cough in children. The most common culprit is respiratory infections, including the common cold, flu, and croup. These illnesses irritate the airways, prompting a cough to expel mucus and fight off infection. Allergies can also trigger coughing, particularly in children with allergic rhinitis (hay fever). When exposed to allergens like pollen or dust mites, the airways become inflamed and irritated, leading to a cough.
In some cases, coughs may arise from non-infectious causes. Inhaling irritants like smoke, dust, or second-hand smoke can trigger coughing as the body attempts to clear the airways. Postnasal drip, where mucus from the nose trickles down the back of the throat, can also cause a cough, especially at night or when lying down. If your child has a persistent cough or you're unsure about the cause, consulting a pediatrician can help determine the underlying issue and recommend the most appropriate treatment course.
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