The word "exacerbation" means making something worse or more intense. It often refers to the increase in severity of a condition or problem. Full definition
Furthermore, relapse in terms of exacerbation of positive symptoms is difficult to assess accurately as all patients were symptomatic. (bmj.com)
Infection with human rhinovirus, the most common cause of asthma exacerbation in adults and children, was restricted to ciliated cells and resulted in ciliated cell apical sloughing and goblet cell hyperplasia, replicating hallmarks of cytopathology observed in vivo. (emulatebio.com)
There was a trend toward significantly lower rates of exacerbations in subjects taking TIO compared with those taking the LABA / ICS combination. (sciencedaily.com)