Drug	Dosage (mg)	Frequency	Duration (days)	Cost per day*	Pregnancy category
TMP-SMX (Bactrim, Septra)	160/800†	Twice daily	Three	$3.88 (Bactrim DS)	C
				$4.00 (Septra)
Ciprofloxacin (Cipro)	250	Twice daily	Three	$10.15 (tablet)	C
Extended-release ciprofloxacin (Cipro XR)	500	Daily	Three	$8.66	C
Nitrofurantoin (Furadantin)	100	Twice daily	Seven to 10	$17.13	B
Fosfomycin (Monurol)	3,000 (3 g)	Daily	One	$36.49	B
Cephalexin (Keflex)	250	Four times daily	Seven to 10	$6.59 (250 mg)	B
	500	Twice daily	Seven to 10	$6.47 (500 mg)
Gatifloxacin (Tequin)	400	Single dose	One	$9.57 (400 mg)	C
	200	Twice daily	Three	$9.57 (200 mg)	C