Ask the doctor: Do I need to take antibiotics for a urinary tract infection?
Taking a urine sample and culture (to see if bacteria grow from the urine sample) can confirm that you do have a UTI, so you don't take antibiotics unnecessarily, and identify the bacteria that are responsible and the antibiotics they are sensitive to. To prevent these infections in the first place and avoid having to take antibiotics, drink plenty of fluids. Water helps flush bacteria out of your urinary tract. Using the bathroom right after intercourse will also help eliminate bacteria from the area.
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