Evidence-based professional reference pages authored by our clinical team for the use of medical professionals. An acute exacerbation is more commonly known bey a 'flare-up'. An acute exacerbation of chronic obstructive pulmonary disease (COPD) is a sudden worsening of COPD symptoms compared with the usual severity of symptoms. Steroidler başta https://escatter11.fullerton.edu/nfs/show_user.php?userid=7325433