The Definitive Guide to Solutions for Asthma and Chronic Bronchitis
A sudden worsening of chronic bronchitis is called an exacerbation. Signs of the exacerbation include things like coughing up far more mucus or mucus that is definitely a special colour than typical, in addition to greater shortness of breath. Viral infections are the most typical set off of the exacerbation.SPAIC owns the Portuguese Aerobiology Co