Related words: what are exacerbations, asthma exacerbations, what are the symptoms of an asthma exacerbation, what causes an asthma exacerbation, can you die from an asthma exacerbation, how do you treat an asthma exacerbation, when do asthma exacerbations happen, can you prevent an asthma exacerbation
Related questions:
What is an exacerbation?