Causes of Unresolved Bacteriuria in Descending Order of Importance
- Bacterial resistance to the drug selected for treatment
- Development of resistance from initially susceptible bacteria
- Bacteriuria caused by two different bacterial species with mutually exclusive susceptibilities
- Rapid reinfection with a new, resistant species during initial therapy for the original susceptible organism
- Azotemia
- Papillary necrosis from analgesic abuse
- Giant staghorn calculi in which the ěcritical massî of susceptible bacteria is too great for antimicrobial inhibition
- Self-inflicted infections or deception in taking antimicrobial drugs (a variant of Munchausenís syndrome)
(Courtesy of Cambell's Urology 7th edition, with the permission of W.B. Saunders)
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