UTI's Flashcards
(30 cards)
How do elderly patient’s commonly present with UTI’s?
- AMS
- Changes in eating habits
- GI sx’s
How do patient’s with indwelling catheters or neuro disorders commonly present with UTI’s?
- Flank pain
- Fever
- Commonly won’t have lower tract sx’s
What does a Common dipstick test detect?
Presence of nitrites
Causes for a false-negative urine dipstick? (common)
- P.aeruginosa- Do not reduce nitrates
- Dilute urine
- Urinary pH
- Frequent voiding
What does leukocyte esterase dipstick test detect?
pyuria
What is the most reliable diagnostic method for UTI’s?
Urine culture
Uncomplicated UTI treatment
- Trimethoprim-Sulfamethoxazole (Bactrim) x3 days
- One dose of Fosfomycin
- Nitrofurantoin x 5 days
Complicated or suspected Pyelonephritis treatment
Fluoroquinolones x3 days:
- Ciprofloxacin
- Levofloxacin
What is TMP-SMX highly effective against?
Most aerobic enteric bacteria
What is TMP-SMX not effective against?
P. aeruginosa
TMP-SMX ADEs
- Rash
- Steven-Johnson Syndrome
- Photosensitivity
- Renal failure
- Hematologic: Neutropenia, anemia
What is the main advantage of Nitrofurantoin
Lack of resistance even after long courses of therapy
Nitrofurantoin ADE’s
- GI intolerance
- Pulmonary rxns
- Neuropathies
Fosfomycin trometamol ADEs
- Headache
- Angioedema
- Diarrhea
What are the advantages of Fosfomycin trometamol
- Single-dose therapy for uncomplicated infections
2. Low levels of resistance
Who do you need caution use of Fosfomycin trometamol?
Patients with hepatic dysfunction
Fluoroquinolones (Ciprofloxacin and Levofloxacin) ADE’s
- Skin- Hypersensitivity, Photosensitivity
- GI sx’s
- Neuro-Dizzines, Confusoin
- Tendonitis-Black Box warning
What is the main advantage of Fluoroquinolones?
Greater spectrum of activity= + P. aeruginosa coverage
What are Fluoroquinolones effective in treating?
- Pyelonephritis
2. Prostatitis
Who should we avoid treating with Fluoroquinolones?
- Pregnant women
2. Children
What is the preferred treatment for uncomplicated cystitis? Why?
Amoxicillin-Clavulanate (Augmentin)
D/T increasing E. coli resistance
Amoxicillin-Clavulanate (Augmentin) ADE’s
- Hypersensitivity: Rash, anaphylaxis
- Diarrhea
- Superinfection
- Seizure
Cephalosporins (Cefaclor
Cefpodoxime-proxetil) ADE’s
- Hypersensitivity: Rash, anaphylaxis
- Diarrhea
- Superinfection
- Seizure
Disadvantages of Cephalosporins (Cefaclor
Cefpodoxime-proxetil)
- No major advantage of these over other agents
2. Not active against enterococci