I have a 65 y/o female patient w PMH recurrent proteus mirabilis UTI, DM II controlled, Right residual hemiplegia, HTN controlled, obesity, homebound patient. She was treated w Rocephin IM first followed by Gentamycin IM. Urine Cx still positive w more than 100,000 col. Could you please let me know the antibiotic that you selected for her?