Moving the goalposts from symptom control to preventing airway remodeling in preschool asthma.

Recurrent wheezing in preschool aged children is a common reason for consultation to the pediatric respirologist. However, the definition of preschool asthma, the various phenotypes and associated investigations required to define these phenotypes, the goals of therapy, and considerations for therapeutics, including biologics, are all areas needing further development. Let's begin with an illustrative case.