I underwent PCNLs to remove stones very recently on APR 14-2017. I took medication and antibiotics for about 17 days. I got done my urine culture and following is observed, pl. advise if it is OK or I need some medicines still. Specimen : Urine Gram Stain : Gram Negative Bacilli Organism(s) Isolated : serratia fonticola Antimicrobial Agent MIC Value (μg/ml) Interpretation Amikacin 16 Sensitive Amoxicillin/clavulanic acid >=32 Resistant Cefalotin >=64 Resistant Cefixime >=4 Resistant Cefoxitin 32 Resistant Ceftazidime 16 Resistant Ceftriaxone >=64 Resistant Ciprofloxacin >=4 Resistant Ertapenem <=0.5 Sensitive Fosfomycin <=16 Sensitive Gentamycin 2 Sensitive Nitrofurantoin 64 Intermediate Norfloxacin >=16 Resistant Ofloxacin >=8 Resistant Piperacillin Tazobactam 16 Sensitive Ticarcillin >=128 Resistant Trimethoprim/Sulfamethoxazole >=320 Resistant