Utilization Patterns of Pulmicort in Real Life Practice

Inclusion Criteria: * Asthmatic patients with a diagnose of at least 12 months of duration before study inclusion * Patients previously treated with Pulmicort CFC who have changed their treatment to Pulmicort HFA Exclusion Criteria: * Disability that, from investigator point of view, prevent from complying the follow up schedule * To have participated in any clinical study in the past 6 months