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There is a high prevalence of asymptomatic bacteriuria and pyuria in nursing home patients, which does NOT require treatment (leads to resistance).
UTI should only be diagnosed and treated in symptomatic patients.
Avoid catheterization
For patients with nonspecific symptoms (falls, change in mental status), improving hydration often resolves symptoms - withhold ABx 24hrs and reassess
Fluoroquinolones and TMP-SMX are preferred due to prostatic penetration, but >20% resistance to both agents for E. coli in male UTI
PO: Ciprofloxacin 500mg po BID x 7-14d
OR
PO: TMP-SMX DS 1 tab po BID x 7-14d
Cystitis only: Fosfomycin 3g po q3days x 3 doses (not recommended for pyelonephritis and prostatitis)
Beta-lactam can be used if susceptible for 14d therapy
Nitrofurantoin is not recommended in men