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Urinary Tract Infection (Lower) 1453.e1

Urinary Tract Infection (Lower)
VetBooks.ir Clinical signs of

lower UTI

• Intact female dog, or any male dog (neutered or intact)? Or
• Predisposing systemic and/or local factors? Or
• Recent previous urinary tract infections (UTIs)? Or
• Cat?
Yes to any of the 4 bullet points No to all 4 bullet points
Complicated UTI Uncomplicated UTI

Pursue diagnostic testing to Treat for 7–14 days Treat for 3–5 days
identify predisposing factors based on urine based on:
(e.g., diabetes mellitus): culture and susceptibility • C/S testing
• Abdominal imaging (C/S) testing • Empiric selection
• CBC, serum biochemistry (e.g., amoxicillin or
profile trimethoprim-sulfa)
• Urine bacterial culture and • Monitor clinical signs
sensitivity • Routine repeat C/S not
warranted in absence
of clinical signs Recurs Resolves
• Repeat C/S if signs fail
to resolve or recur

Recurrent
Resolution
infection

Consider prophylaxis
(p. 232)
C/S, Culture and susceptibility testing.
(Modified from Ettinger SJ, Feldman EC: Textbook of veterinary internal medicine, ed 6, St. Louis, 2005, Saunders.)

Clinical Algorithms

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