This revision of the Global Strategy for Asthma Management and Prevention again provides a unified text as a source document. Each chapter contains separate sections containing details and management advice for specific age categories where these are considered relevant. These age groups include children 5 years and younger (sometimes called preschool age), children older than 5 years, adolescents, adults, and the elderly. Most of the differences between these age groups relate to natural history and comorbidities, but there are also important differences in the approach to diagnosis, measures for assessing severity and monitoring control, responses to different classes of medications, techniques for engaging with the patient and his/her family in establishing and maintaining a.
