Urine cultures take at least 48 hours to produce results. If a drug sensitivity test is done at the same time as the urine culture, it will take another 3-4 days for the results to come back. That is, the urine culture is mainly to culture the urine to find out what kind of infectious material is in the urine, such as bacteria, pathogens, trichomonas, or other kinds of sexually transmitted diseases and other kinds of what kind of material is infected. Then, depending on the cause of the infection, a specific drug sensitivity test is performed on the infectious agent, which can guide clinical treatment. This kind of urine culture plus drug sensitivity can be the right medicine, the best effect on the treatment of urinary tract infection.