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. 2003 Nov 22;327(7425):1204. doi: 10.1136/bmj.327.7425.1204

Table 1.

Antimicrobial regimens for prevention and treatment of recurrent urinary tract infections

Antimicrobial agent Dosage for treatment Daily dosage for prevention
Cefalexin
500 mg three times daily for three days
125 mg
Ciprofloxacin
100 mg twice daily for three days
125 mg
Co-amoxiclav
375 mg thrice daily for three days
No data available
Co-trimoxazole
960 mg twice daily for three days
240 mg (or three times a week)
Nitrofurantoin
50 mg four times daily for seven days
50-100 mg
Nitrofurantoin macrocrystals and monohydrate
100 mg twice daily for seven days
100 mg
Norfloxacin
200 mg twice daily for three days
200 mg
Trimethoprim 200 mg twice daily for three days 100 mg (or three times a week)