A 26-year-old non-pregnant woman presents with dysuria and urinary frequency for 2 days without fever or flank pain. She has no significant comorbidities and no antibiotic allergies. What is the most appropriate first-line empirical therapy?ATrimethoprim 300 mg orally at night for 3 daysBAmoxicillin 500 mg orally 8-hourly for 5 daysCCiprofloxacin 500 mg orally twice daily for 7 daysDNitrofurantoin 100 mg orally once daily for 3 daysENo antibiotics; manage with fluids aloneCheck my answer