As children return to classrooms following summer vacation, public health authorities report a sharp rise in pediatric hospital admissions for bronchial asthma. According to Dr. Nguyen Huu Truong, deputy director of the Center for Allergy and Clinical Immunology at Bach Mai Hospital, hospitalizations typically climb two to three weeks after the start of the school year.
Why Back-to-School Triggers Asthma Spikes
According to medical professionals, children’s airways are highly sensitive to external environmental shifts. Dr. Truong notes that returning to enclosed classrooms creates ideal conditions for multiple asthma triggers to act simultaneously. Respiratory viruses, air conditioning, and fluctuating weather patterns converge during the first weeks of the school term.
Viral infections—specifically rhinoviruses—spread rapidly when children gather indoors. While these viruses cause only mild cold symptoms in healthy individuals, they trigger significant airway inflammation, swelling, and bronchospasm in asthmatic children. In addition, indoor allergens such as dust mites, indoor mold, and accumulated dust in classroom curtains or neglected air conditioning units exacerbate respiratory distress.
Weather volatility compounds these risks. In regions experiencing alternating hot sunshine and sudden storms, temperature and humidity swings irritate sensitive airways as children move constantly between outdoor heat and indoor air conditioning.
This seasonal spike mirrors findings in France, where at least 10% of school-aged children live with asthma. According to data from Assurance Maladie, emergency room visits for asthma attacks rise every September, peaking roughly two weeks after children return to school. French health authorities similarly identify viral infections from group living, allergen exposure, and the interruption of maintenance treatments during summer as the primary drivers of these pediatric hospitalizations.
Recognizing Asthma Symptoms Versus Common Colds
A primary driver of delayed hospital arrivals is parental misdiagnosis. According to Dr. Truong, parents frequently mistake the early signs of an asthma attack for a standard cold or viral infection, administering over-the-counter cough syrups or self-prescribing antibiotics.
Medical experts emphasize that antibiotics cannot treat the bronchospasm caused by asthma. While a standard cold involves sneezing, runny noses, and fatigue without characteristic breathing noises, an acute asthma attack presents distinct warning signs:
- Frequent coughing, particularly during the night
- Audible wheezing or a high-pitched stridor
- Shortness of breath and difficulty completing long sentences
- Retractions of the skin around the neck and intercostal spaces between ribs during inhalation
- Agitation, fear, or an upright tripod posture leaning forward on hands to ease breathing
In France, families are urged to closely monitor these respiratory signs and strictly adhere to personalized action plans established with their doctors if symptoms escalate.
Maintaining Treatment Regimens and School Preparation
To prevent severe attacks, specialists advise parents never to discontinue a child’s controller medication during the summer without direct medical supervision. The absence of symptoms during warm weather does not indicate a cure; stopping preventative treatment abruptly leaves children vulnerable once they reenter collective environments.
French health guidelines similarly stress that controller treatments should not be interrupted during vacations. If an interruption occurred without medical approval, guidelines recommend resuming the medication immediately and no later than 7 to 10 days before the first day of school.
Parents must communicate asthma histories to homeroom teachers and school health personnel. Rescue medications and spacer devices should be kept easily accessible on school grounds. If an emergency inhaler fails to relieve worsening wheezing, severe breathlessness, or chest retractions, caregivers must seek immediate emergency medical care.
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