Category: Everyday Science | Last updated: 2026-09-18
The preferred initial treatment for uncomplicated urinary tract infection in women is:
A) IV antibiotics
B) Nitrofurantoin or trimethoprim-sulfamethoxazole for 3-5 days
C) Fluoroquinolones first-line
D) No treatment needed
Explanation
Uncomplicated UTI (cystitis) first-line: nitrofurantoin 5 days, TMP-SMX 3 days (if local resistance <20%), or fosfomycin single dose. Fluoroquinolones reserved for complicated UTI/pyelonephritis.