Hi, I Was Recently Sick With Some Sort Or Virus.

Hi, I was recently sick with some sort or virus. it lasted about 24 hours, I hade severe vomiting and diarrhea. I was feeling better on Friday, then started feeling bad again Friday evening. was ok yesterday except I noticed I felt like I always have to pee. now this morning I wake up feeling the same way only now I have moderate pain in my lower left back. feeling like I can't get my bladder empty, week stream, slight burning when almost done urinating. I DO NOT HAVE A CREDIT CARD OR A DEBIT CARD SO I CAN'T PROCEED.