Prolonged Suppression of Bacterial Growth in Urine Culture Following Fluoroquinolone Therapy in an Elderly Diabetic Patient: A Diagnostic Pitfall
Mehdi Roshdi Maleki · 2026
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Description
Mehdi Roshdi Maleki reports a diagnostic trap after antibiotic care for a urinary infection in a 2026 case. An 81-year-old woman with diabetes had lasting urinary symptoms and got levofloxacin on a best guess. Her urine held visible bacteria, yet cultures kept coming back empty.
Cultures stayed negative for ten days after the drug stopped, then grew E. coli that resisted the drug family. The author blames a long post-antibiotic effect, where germs stay suppressed well past the last dose. Scans showed only harmless kidney cysts. Clinicians are urged to doubt clean cultures after such drugs in frail patients and to resample when suspicion stays high.
Catalog record
| CREATOR | Mehdi Roshdi Maleki |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 21 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |