- Take the UTI Quiz
- Urinary Tract Infection (UTI) - Slideshow
- Urinary Incontinence in Women - Slideshow
- Urinary Tract Infection (UTI) in Adults FAQs
- Patient Comments: Urinary Tract Infections - Symptoms
- Patient Comments: Urinary Tract Infections - Treatments
- Patient Comments: Urinary Tract Infections - Experience
- Patient Comments: Urinary Tract Infections - Home Remedies
- Patient Comments: Urinary Tract Infections - Medications
- What is a urinary tract infection (UTI)?
- What causes a urinary tract infection?
- Are urinary tract infections contagious?
- What are urinary tract infection symptoms and signs?
- When should people seek medical care for a UTI?
- How do physicians diagnose a urinary tract infection?
- What kinds of doctors treat urinary tract infections?
- Are there home remedies for a urinary tract infection?
- What is the treatment for a urinary tract infection?
- What follow-up is needed for a urinary tract infection?
- Is it possible to prevent a urinary tract infection?
- What is the prognosis of a urinary tract infection?
Quick GuideUrinary Tract Infection (UTI) Pictures Slideshow: Bladder Infection Symptoms, Causes and Treatments
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 or pain
- 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
- Flank pain: pain in the back or side, usually on only one side at about waist level
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.