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MediumInfectious DiseasesUncomplicated Cystitisus-abfmus-usmle-step-2us-usmle-step-3

A 30-year-old woman presents with dysuria and frequency. UA is positive for nitrites and leukocyte esterase; afebrile, nonpregnant, no comorbidities. Which regimen is guideline-concordant first-line?

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