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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Should Recurrent Recurrent Kidney Infections Be Treated Long Term Maintenance Doses?

I am 66yo male .H/o diabetis for 15 yrs and blood glucose well controlled with insuli. I get recurrent kidney inf. Urine culture +ve for E.coli. I get better after 100mg Martifur bid for a week. However, Infection recurred after 4-5 months.It happened 3 times. A friend said that his doctor suggested to take maintainance dose of 100mg./day for 2-3 months. Is it safe to take for such alon period? Pl. advise PC Shah.
Fri, 29 Jul 2016
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Urologist,  's  Response
Hi
Yes it is fairly common practice to prescribe low dose antibiotics to prevent recurrent infections.
I would advice changing the antibiotics according to frequent urine culture reports and if cultures are negative then continue the same antibiotic for a maximum of three months at lower dose.

Using martifur for more than three months is not recommended as itcan cause liver problems. Switch over to another drug as augmentin or trimethoprim at lower dose after three months according to your doctors advice.
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Should Recurrent Recurrent Kidney Infections Be Treated Long Term Maintenance Doses?

Hi Yes it is fairly common practice to prescribe low dose antibiotics to prevent recurrent infections. I would advice changing the antibiotics according to frequent urine culture reports and if cultures are negative then continue the same antibiotic for a maximum of three months at lower dose. Using martifur for more than three months is not recommended as itcan cause liver problems. Switch over to another drug as augmentin or trimethoprim at lower dose after three months according to your doctors advice.