A new rapid test could improve treatment of urinary tract infections, by identifying the most effective antibiotic for each individual patient.

The test applies different antibiotics to bacteria found in urine samples, to see which one best suppresses bacterial growth, researchers recently reported in the journal Microbiology Spectrum.

This new method could cut a full day off the time between testing and prescription, researchers said, and arm a patient with the best means of clearing their infection.

"The sooner we know which antibiotic is effective, the more targeted our treatment can be," senior researcher Oliver Hayden, a professor of biomedical electronics at the Technical University of Munich in Germany, said in a news release.

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