It is indicated to treat uUTIs caused by Escherichia coli, Klebsiella pneumoniae, or Proteus mirabilis and is the first oral ...

Proteus mirabilis is a rapid hydrolyzer of urea (center tube pictured here). The tube on the far right was inoculated with a urease negative organism and the tube on the far left was uninoculated.

Renal damage increased with age and recurrences of acute pyelonephritis. was the most frequently isolated agent (89.9%), followed by Proteus mirabilis (3.6%) and Klebsiella oxytoca.