Pyelonephritis causes
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Common causes of pyelonephritis include E. coli, Enterococcus faecalis, Klebsiella spp., Pseudomonas aeruginosa and certain medications such as Cyclophosphamide, Indinavir, Sirolimus, and Tiagabine.
Causes
Common Causes
- Most cases of "community-acquired" pyelonephritis are due to bowel organisms that enter the urinary tract. Common organisms are:
- E. coli (70-80%)
- Enterococcus faecalis
- Hospital-acquired infections may be due to coliforms and enterococci, as well as other organisms uncommon in the community.