Question: An adult nonpregnant female patient presents with complaints of dysuria, urinary frequency, and urgency. Urinalysis is significant for pyuria and bacteriuria. Urine culture and susceptibility testing are pending. The patient's vital signs are otherwise stable, and she denies chills, fever, or flank pain. The patient denies a history of any recent broad-spectrum antimicrobial use, travel, or healthcare exposures. Based on this presentation, which of the following antimicrobial regimens is indicated? Want Online Help? A. No antibiotics are indicated, only symptom management B. Meropenem 1 g IV every 8 hours plus vancomycin 15 mg/kg IV every 12 hours C. Trimethoprim-sulfamethoxazole (Bactrim) 160/800 mg PO BID for 3 days D. Ceftriaxone 1 g IV once daily