UTI’s Microbiology Flashcards
What are the Gram -ve positive Nitrite organisms name(s)
Nitrite test: indicates infection with Gram negative
rods - E.coli, Klebsiella, Proteus, Serratia,
Pseudomonas
CFU
CFU = colony forming unit; number of
viable bacteria) > or equal 10x5
Tx of UTI uncomplicated cystitis
• Nitrofurantoin
• Trimethoprim-sulfamethoxazole
• Fosfomycin
• Pivmecillinam
• Enterococcus- Amoxicillin-
clavulanate
Tx of UTI complicated(pyelonephritis, cystitis)
• Fluroquinolones
• Levofloxacin
• Ciprofloxacin
• i.v. Ceftriaxone
• Trimethoprim-sulfamethoxazole
• If perinephric abscess is present, surgical
drainage is required
Nitrofurantoin
Alteration the bacterial enzymes and bacterial DNA
A/E: Pulm Fibrosis