Medication	Standard dosage	Cost*
Trimethoprim-sulfamethoxazole (Bactrim, Septra)	1 DS tablet (160/800 mg) twice a day	$ 51 to 64 (generic: 4 to 24)
Doxycycline (Vibramycin)	100 mg twice a day	159 (generic: 5 to 22)
Ciprofloxacin (Cipro)	500 mg twice a day	145
Norfloxacin (Noroxin)	400 mg twice a day	118
Ofloxacin (Floxin)	400 mg twice a day	175