To the Editor: Poor adherence to therapy with asthma preventer medications is common among teenagers with asthma. This is often simple forgetfulness rather than active non-compliance. One of our adherent patients shared his secret with us — the alarm mode on his mobile phone. He set this to be activated twice daily to remind him to take his medicine. A recent survey by Newspoll showed that about 90% of teenagers aged between 13 and 19 years in Melbourne and Sydney have a mobile phone, most of them on a prepaid plan.1 We have subsequently recommended this reminder system to other patients, who have expressed interest in adopting the practice.

This could be useful for all patients required to take regular medications. In the absence of a mobile phone, many household appliances (such as microwave ovens) have electronic timers that could be programmed to sound an alarm on a regular basis.