A Follow-up Survey to Compare Stable Dosing (SERETIDE) With SYMBICORT, SMART, Maintenance and Reliever Therapy in One Inhaler in Moderate and Severe Asthmatics.

The purpose with this study is to describe in detail the control or lack of control of asthma, based on two different dosing strategies. No therapy intervention is made with existing prescribed medications (SERETIDE or SYMBICORT), but evaluations outside standard care is made by evluations with diary cards, questionnaires, PEF evaluations and spirometry which is regarded as the intervention by the Swedish Authorities.