what does exacerbation mean
Exacerbation means worsening or a flare up of COPD. An exacerbation can be from an infection in the lung, but in some instances it is never known why people have a worsening of symptoms.he amount and color of your sputum is important to note. A change in the amount of sputum (either bringing up more or bringing up less than usual), a change in the color of your sputum from clear to deep yellow, green, brown or red, and increasing shortness of breath are typical signs and symptoms of an exacerbation.