Urinary Tract Infections |
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Difference in Signs and Symptoms between Acute
Cystitis and Pyelonephritis |
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Signs and
Symptoms |
Cystitis |
Pyelonephritis |
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Fever |
Absent |
Usually present |
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Urinary
urgency/frequency |
Present |
Sometimes present |
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Flank pain |
Absent |
Sometimes present |
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Vomiting |
Absent |
Often present |
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Pyuria |
Always present |
Always present |
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Bacteriuria |
Always present |
Always present |
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Positive blood
cultures |
Absent |
Often present |
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Important to determine between acute cystitis and
pyelonephritis |
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Treatment |
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Acute Uncomplicated Cystitis |
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Single dose
therapy not recommended anymore |
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Three day
therapy favored in uncomplicated cases |
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Treatment with
either Ciprofloxacin 250-500mg bid or Bactrim DS bid for three days |
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Patients with
severe dysuria: Phenazopyridine 200mg tid for 1-2 days is recommended |
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Acute Complicated Cystitis |
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Considered complicated if one or
more of the following exist: male sex, elderly, hospital-acquired, indwelling
urinary catheter, pregnancy, structural abnormality of urinary tract,
functional abnormality of urinary tract, recent UTI, symptoms persist more
than 7 days, recent antibiotic use, immunocompromised, or diabetes mellitus |
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Treatment with
either Ciprofloxacin 250-500 bid or Bactrim DS bid for 7-14 days |
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Acute Pyelonephritis |
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Hospitalization
recommended if patient has any of the following features |
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Diagnosis of acute pyelonephritis
uncertain, non-compliance with treatment, inability to maintain oral
hydration or take oral medications, presents with severe illness, or
pregnancy |
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Treatment with
IV antibiotics initially for hospital-bound patients is recommended |
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Enterococcus
concern: treat with ampicillin+gentamicin or zosyn initially |
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Enterococcus
not a concern: treat with ceftriaxone or aminoglycoside initially |
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then switch to
oral medication, usually ciprofloxacin 250-500mg bid for 14 days |
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Special Considerations/Conditions |
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Nosocomial Pyelonephritis |
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usually occurs
in debilitated patients and often have higher rates of drug resistance |
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treat with
ceftriaxone with gentamicin for 14 days initially |
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if
ineffective, treat according to blood cultures |
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Recurrent Infections |
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defined as
more than three infections per year |
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treatment is
either prophylatic bactrim SS or nitrofurantion daily for about 6 months |
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recommend
voiding after intercourse to reduce infection rate |
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Fungal Infections |
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Treat if
patient is symptomatic/febrile or immunocompromised |
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Treat with
fluconazole 100mg daily for 7 days |
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Pregnancy |
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Treat with
cephalexin 250-500mg qid for 7 days |
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Return
to Main Index |
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