In the UK there is a pronounced increase in the number of visits to the doctor by school age children with asthma in September. It is thought that that this might be caused by the return back to school, suddenly mixing with other children again and picking up bugs which can affect their asthma.
During the school summer holidays there is a drop in the number of prescriptions for asthma medications. It has been suggested that August is a good month to have asthma and therefore children with asthma might not take their medication as they should or allow their medication to run low.
This is the rationale for PLEASANT: Preventing and Lessening Exacerbations of Asthma in School-age children Associated with a New Term; a cluster randomised controlled trial investigating the effect of a letter, sent to parents/carers of school age children with asthma during the summer holidays, in reducing unscheduled medical contacts in September following return to school.