sir i am a 63 year lady.few days back ihad urinary tract infection. on getting culture test it is E.coli .along with it ihave trace of blood, trace of protienand 3-4/HPF of RBC.Culture test shows it is resistance to ampicilime, cotrimoxozole,ceftizoxime,oflpxacinand ceftriaxone. which antibiotic/medicine can i take.