Urinary Tract Infections (UTIs)

  • Medical Author: Jerry R. Balentine, DO, FACEP
    Jerry R. Balentine, DO, FACEP

    Jerry R. Balentine, DO, FACEP

    Dr. Balentine received his undergraduate degree from McDaniel College in Westminster, Maryland. He attended medical school at the Philadelphia College of Osteopathic Medicine graduating in1983. He completed his internship at St. Joseph's Hospital in Philadelphia and his Emergency Medicine residency at Lincoln Medical and Mental Health Center in the Bronx, where he served as chief resident.

  • Medical Editor: Melissa Conrad Stöppler, MD
    Melissa Conrad Stöppler, MD

    Melissa Conrad Stöppler, MD

    Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.

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What are urinary tract infection symptoms and signs?

Lower urinary tract infection

  • Bladder (cystitis): The lining of the urethra and bladder becomes inflamed and irritated.
  • Dysuria: pain or burning during urination
  • Frequency: more frequent urination (or waking up at night to urinate, sometimes referred to as nocturia); often with only a small amount of urine
  • Urinary urgency: the sensation of having to urinate urgently
  • Cloudy, bad-smelling, or bloody urine
  • Lower abdominal pain or pelvic pressure
  • Mild fever (less than 101 F), chills, and "just not feeling well" (malaise)
  • Urethra (urethritis): Burning with urination

Upper urinary tract infection (pyelonephritis)

Symptoms develop rapidly and may or may not include the symptoms for a lower urinary tract infection.

  • Fairly high fever (higher than 101 F)
  • Shaking chills
  • Nausea
  • Vomiting
  • Flank pain: pain in the back or side, usually on only one side at about waist level

Related SlideshowUrinary Tract Infection

In newborns, infants, children, and elderly people, the classic symptoms of a urinary tract infection may not be present. Other symptoms may indicate a urinary tract infection.

  • Newborns: fever or hypothermia (low temperature), poor feeding, jaundice
  • Infants: vomiting, diarrhea, fever, poor feeding, not thriving
  • Children: irritability, eating poorly, unexplained fever that doesn't go away, loss of bowel control, loose bowels, change in urination pattern
  • Elderly people: fever or hypothermia, poor appetite, lethargy, change in mental status

Pregnant women are at increased risk for an UTI. Typically, pregnant women do not have unusual or unique symptoms. If a woman is pregnant, her urine should be checked during prenatal visits because an unrecognized infection can cause pregnancy complications.

Although most people have symptoms with a urinary tract infection, some do not.

The symptoms of urinary tract infection can resemble those of sexually transmitted diseases.

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Medically Reviewed by a Doctor on 2/9/2015
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  • Urinary Tract Infections - Symptoms

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  • Urinary Tract Infections - Treatments

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  • Urinary Tract Infections - Experience

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  • Urinary Tract Infections - Home Remedies

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  • Urinary Tract Infections - Medications

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