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Urinary health · 7 min read

How Long Does a UTI Last, With and Without Treatment?

How long does a UTI last? Most bladder infections ease within 1 to 2 days of antibiotics. See timelines for untreated and kidney infections, plus red flags.

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Dr. Laura Purdy, founder of Swell Medical
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Dr. Laura Purdy, MD, MBA, built Swell Medical to bring hometown-doctor trust into modern virtual care. Her approach is warm, honest, and practical: real clinicians, plain-language guidance, responsible boundaries, and a next step patients can actually use.

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