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womens health clinic faq

What happens if UTI antibiotics don’t work?

If antibiotics do not improve UTI symptoms within 48 hours, the infection may be resistant or another condition may be present. Further testing and a change of antibiotic may be needed.

Clinical Context

Clinics will reassess, order further urine tests, and may prescribe a different antibiotic if your symptoms do not improve as expected.

Evidence-Based Approaches

NHS and NICE guidelines recommend follow-up and urine culture for persistent or recurrent UTI symptoms.