OverviewA urinary tract infection (UTI) is an infection in any part of the urinary system. The urinary system includes the kidneys, ureters, bladder and urethra. Most infections involve the lower urinary tract — the bladder and the urethra. Show Women are at greater risk of developing a UTI than are men. If an infection is limited to the bladder, it can be painful and annoying. But serious health problems can result if a UTI spreads to the kidneys. Health care providers often treat urinary tract infections with antibiotics. You can also take steps to lower the chance of getting a UTI in the first place. SymptomsUTIs don't always cause symptoms. When they do, they may include:
In older adults, UTIs may be overlooked or mistaken for other conditions. Types of urinary tract infectionsEach type of UTI may result in more-specific symptoms. The symptoms depend on which part of the urinary tract is affected.
When to see a doctorContact your health care provider if you have symptoms of a UTI. Sign up for free, and stay up to date on research advancements, health tips
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health information and will only use or disclose that information as set forth in our notice of privacy practices. You may opt-out of email communications at any time by clicking on the unsubscribe link in the e-mail. CausesUTIs typically occur when bacteria enter the urinary tract through the urethra and begin to spread in the bladder. The urinary system is designed to keep out bacteria. But the defenses sometimes fail. When that happens, bacteria may take hold and grow into a full-blown infection in the urinary tract. The most common UTIs occur mainly in women and affect the bladder and urethra.
Risk factorsUTIs are common in women. Many women experience more than one UTI during their lifetimes. Risk factors for UTIs that are specific to women include:
Other risk factors for UTIs include:
ComplicationsWhen treated promptly and properly, lower urinary tract infections rarely lead to complications. But left untreated, UTIs can cause serious health problems. Complications of a UTI may include:
PreventionThese steps may help lower the risk of UTIs:
Urinary tract infection (UTI) care at Mayo Clinic Sept. 14, 2022
RelatedNews from Mayo ClinicProducts & ServicesWhat a bladder infection feels like?pain, burning or stinging when you pee. needing to pee more often and urgently than normal. feeling like you need to pee again soon after going to the toilet. urine that's dark, cloudy or strong-smelling.
How do you confirm a bladder infection?Urine analysis.
For this test, you collect a small amount of urine in a container. Your provider checks the urine for signs of infection, such as bacteria, blood or pus. If bacteria are found, you may also have a test called a urine culture to check what type of bacteria is causing the infection.
What are 3 symptoms of a UTI?A UTI can involve any part of your urinary system, including the urethra, ureters, bladder and kidneys. Symptoms typically include needing to urinate often, having pain when urinating and feeling pain in your side or lower back. Most UTIs can be treated with an antibiotic.
Is a bladder infection called a UTI?Bladder infections are the most common type of urinary tract infection (UTI), but any part of your urinary tract can become infected—the urethra, bladder, ureters, and kidneys. Your age, habits, or health conditions can make a UTI more likely.
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