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Infectious Diseases

Bacteria in the lungs cystic fibrosis



My son has cystic fibrosis and we just found out that he has grown alcaligenes, staff, and psuedomonus mucoid bacteria in his lungs, will this cause major damage and can he ever get rid of it? His doctor said that the alcaligenes has been rare in his time as a CF doctor.


Alcaligenes are found in various locations, including soil and aquatic environments, where one species, Alcaligenes denitrificans, has been known to inhibit the growth of certain types of algae. They may also be found in the respiratory tracts of cystic fibrosis patients, where they cause clinical symptoms of pulmonary disease. 

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Response by:

Pamposh   Kaul, MD Pamposh Kaul, MD
Assistant Professor
College of Medicine
University of Cincinnati