What are the main signs and symptoms of UTIs?

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    Last Updated: May 16, 2025

    The main signs and symptoms of urinary tract infections include pain or burning during urination, fever, frequent urges to urinate, lower stomach discomfort, and changes in urine appearance (such as cloudiness) or a foul smell. Additional symptoms may include back pain and feelings of tiredness or shakiness.

    Common UTI signs and symptoms include the following:[1]

    • Pain/burning while urinating
    • Fever, tiredness, or shakiness
    • Frequent urges to urinate, or inability to start urination
    • Lower stomach pressure or discomfort
    • Urine that is bloody, smells bad, and/or appears cloudy
    • Back pain or pain below the ribs
    What are the main signs and symptoms of UTIs? - Examine