The size, shape, and color of these colonies help to identify which bacteria are present, and the number of colonies indicates the quantity of bacteria originally present in the urine sample. Any bacteria or yeast that are present in the urine sample grow over the next 24 to 48 hours as small circular colonies. For those who have frequent urinary tract infections (UTIs), their bacteria may become resistant to antibiotics over time, making careful selection of antibiotic and the full course of treatment essential.įor a urine culture, a small sample of urine is placed on one or more agar plates (a thin layer of a nutrient media) and incubated at body temperature. If someone has frequent and/or recurrent urinary tract infections (UTIs), culture and susceptibility testing may be performed with each infection. For men and boys with a culture-proven urinary tract infection, further tests may be done to rule out the presence of a kidney stone or structural abnormality that could cause the infection. Even preteen girls may have frequent urinary tract infections. Women and girls get urinary tract infections (UTIs) more often than men and boys. It travels from the kidneys, through tubes called ureters to the bladder, and then is eliminated from the body through the urethra. Urine is the fluid that contains water and wastes and that is produced by the kidneys. Urine culture is a test that detects and identifies bacteria and yeast in your urine, which may be causing a urinary tract infection (UTI). Are there other ways of testing for resistance? What is urine culture
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