Is it best to use penicillin drips for urinary tract infections?

Patient's question:

Urinary tract infection hematuria

Doctor's answer:

For E. coli infection, ampicillin is often combined with gentamicin, carbenicillin with gentamicin, cephalosporin with gentamicin or kanamycin, or ampicillin with gentamicin or kanamycin. For Proteus infection, furanidine with erythromycin is frequently used, or penicillin with gentamicin or kanamycin. For Pseudomonas aeruginosa infection, ampicillin or carbenicillin is often combined with gentamicin or kanamycin. For Staphylococcus aureus infection, penicillin I or II is often combined with cephalosporin or gentamicin, or erythromycin with gentamicin or kanamycin.