I have been suffering with kidney infections since I was around 16. I am now 47 and they are getting more frequent and more server. I just got out of hospital on Monday wth my last one but there never seems to be any kind of follow up? Once the infection has been treated I m sent home. I do live in in UK and this is the NHS that deals with it...
Recurrent kidney/urinary infections is not uncommon. It signifies the failure of the normal defense mechanisms of the body. These could include presence of immunosuppressive state like diabetes, CV, HBV or other viral infections, use of certain medications. Disturbance of the normal flow of urine like in cases of HY Chat Doctor.  Prolonged duration of antibiotics, prophylactic antibiotics, evaluation for underlying predisposing condition with help in decreasing the frequency of episodes. Inspite of these patients can have repeated infections. I think your doctor must be trying his best!hope you get well soon.