Diagnosis | Common Pathogens | Drug(s) of First Choice | Alternative Drug(s) | Comments | Expected Duration |
---|---|---|---|---|---|
Uncomplicated Cystitis, Women |
Enterobacteriaceae (E. coli) Staph. saprophyticus (Coagulase negative staphylococcus) (4%) |
Trimethoprim/ Sulfamethoxazole 1 DS PO BID x 3 days (if no previous antibiotic therapy) OR Nitrofurantoin 100 mg PO BID x 5 days (avoid if CrCl < 30 mL/min) |
Cephalexin 500 mg PO BID x 5-7 days Reserve for patients at highest risk of failure (selection for resistant isolates): Ciprofloxacin 500mg PO q12h x 3 days |
Asymptomatic bacteriuria and/or pyuria are not indications for treatment Exceptions: pregnant women, patients having traumatic urologic procedures, ANC < 500, recent renal transplant (3 months) IDSA guidelines state Trimethoprim/ Sulfamethoxazole is appropriate if resistance rates do not exceed 20% In patients with recurrent UTIs, review recent microbiology to help determine empirical therapy |
3-7 days depending on antibiotic chosen |
Clinical Infectious Diseases, Volume 52, Issue 5, 1 March 2011, Pages e103–e120, https://doi.org/10.1093/cid/ciq257