Which symptom is considered a primary indicator of asthma in children?

Persistent coughing at night is recognized as a primary indicator of asthma in children because it is often associated with the condition's characteristic airway inflammation and hyperreactivity. This type of cough typically occurs in response to nighttime triggers or worsening of symptoms during the night, such as exposure to allergens, cold air, or lying flat, all of which can exacerbate asthma symptoms.

In asthma, the nocturnal cough can signal that the child’s airways are reacting more to these stimuli, leading to mucus production and bronchial constriction. These symptoms often worsen when the child is prone, aiding in distinguishing them from other conditions. Although persistent coughing can occur with other respiratory conditions, its prominence at night is a distinctive feature of asthma, aiding in diagnosis.

Other symptoms listed, like frequent nosebleeds or swollen gums, are not typically associated with asthma and could indicate different medical issues. Recurring stomachaches can stem from various gastrointestinal problems, which are also unrelated to asthma. Understanding these distinctive manifestations is crucial for effective assessment and management of asthma in pediatric patients.