Can taking inhaled corticosteroids when needed for symptoms help people with mild asthma from becoming more unwell? | Cochrane

Daily inhaled corticosteroids (ICS) are the mainstay of medications prescribed for people with asthma who have ongoing difficulty with their breathing. However, for those with a milder form of the condition, it is hard to predict when their asthma will get worse and so many people do not use thei...