<s>[INST] I went to the er and told them I thought I had a kidney infection cause my lower back was hurting and thought I had a uti they tested my blood and Urine and blood came back OK but urine was infected they gave my bactrim and it made me deathly sick now I m on cipro and not getting any better urine in dark brown now and both sides of my back hurt and I m feeling worse [/INST] Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. It seems like urinary concertion. You can take Cefadroxil twice daily for five days take Omeprazole twice a day for five days take proper amount of water. Go through ultrasound abdomen and pelvis consult urosurgeon. Cystoscopy is helpful for you. Hope I have answered your query. Let me know if I can assist you further. </s>