The use and abuse of antibiotics, including in management of pulmonary manifestations in cystic fibrosis.

Individually and collectively opinion is expressed that antibiotics are among the most 
frequently prescribed drugs in United States, probably also in many other 
countries. While it is adopted by many that the increased longevity 
of cystic fibrosis patients is strongly related to antibiotic usage, this 
has never been documented adequately. The principles which we try to 
follow while using antibiotics in CF patients are outlined. 