Hi Doctor, I have UTI Since Monday, and I went to quick care and the give me antibiotics- ״ciprofloxacin I took the pills for two days, On the third day I saw no change but I took one of the pills and went again to quick care, they change the antibiotic to Nitrofurantoin , I took this pills 4 day and nothing happened.. And I feel so bad and I don t know what to do. Please help me