Urinary tract infections (UTIs) are among the most common of bacterial infections. They occur in people of all ages, women significantly more than men.
In the United States, an estimated eight to 10 million visits are made to the physician each year for the treatment of UTIs.
The urinary system consists of the kidneys, ureters, bladder, and urethra.
Urine is formed in the kidneys, waste-filtering organs located in the mid-back, just below the rib cage. Urine leaves the kidneys and flows down the ureters, two thin tubes that empty into the bladder, the hollow, muscular organ that holds urine. The urethra is the tube that transports urine out of the body from the bladder.
Most UTIs arise from bacteria that normally live in the colon and rectum, and are present in bowel movements. These bacteria cling to the opening of the urethra, begin to multiply, and travel up to the bladder. The flow of urine from the bladder usually washe s bacteria out of the body.
However, because women have a shorter urethra than men, bacteria can reach the bladder more easily and settle in the bladder wall. Much less often, bacteria spread to the kidney from the bloodstream.
There are three types of urinary tract infection:
Symptoms may include a frequent urge to urinate, regardless of whether the bladder is full or empty, and pain and burning with urination. The urine itself may look milky or cloudy, or have a strong smell.
Women often feel an uncomfortable pressure in the pelvic area, and some men experience a feeling of fullness in the rectum. Fever may mean the infection has reached the kidneys.
Other symptoms of kidney infection include pain in the back or side below the ribs, nausea, or vomiting.
Most urinary tract infections (UTIs) can be diagnosed with urinalysis, a test to check for bacteria in the urine. Some UTIs may require evaluation by intravenous pyelogram (IVP), which uses dye that shows up on x-ray:
This test should not be used on pregnant women or patients with kidney failure. There is a risk for an allergic reaction to standard dyes, although newer, less allergenic ones are becoming available.
Patients who suffer from recurrent infections are evaluated by ultrasound and cystoscopy (the use of a flexible lighted tube that allows the bladder to be seen from inside the urethra).
Urinary tract infections are easiest to treat when they are caught early and have not spread beyond the lower urinary tract. A course of oral antibiotics is the most common treatment for UTIs.
Severe infections that have spread beyond the bladder and affect the kidney may require antibiotic injections.
For patient referral or consultations, contact the Department of Urology at 412-692-4100.
Affiliated with the University of Pittsburgh Schools of the Health Sciences
Supplemental content provided by Healthwise, Incorporated. To learn more, visit www.healthwise.org
For help in finding a doctor or health service that suits your needs, call the UPMC Referral Service at 412-647-UPMC (8762) or 1-800-533-UPMC (8762). Select option 1.
UPMC is an equal opportunity employer. UPMC policy prohibits discrimination or harassment on the basis of race, color, religion, ancestry, national origin, age, sex, genetics, sexual orientation, gender identity, marital status, familial status, disability, veteran status, or any other legally protected group status. Further, UPMC will continue to support and promote equal employment opportunity, human dignity, and racial, ethnic, and cultural diversity. This policy applies to admissions, employment, and access to and treatment in UPMC programs and activities. This commitment is made by UPMC in accordance with federal, state, and/or local laws and regulations.
Medical information made available on UPMC.com is not intended to be used as a substitute for professional medical advice, diagnosis, or treatment. You should not rely entirely on this information for your health care needs. Ask your own doctor or health care provider any specific medical questions that you have. Further, UPMC.com is not a tool to be used in the case of an emergency. If an emergency arises, you should seek appropriate emergency medical services.
For UPMC Mercy Patients: As a Catholic hospital, UPMC Mercy abides by the Ethical and Religious Directives for Catholic Health Care Services, as determined by the United States Conference of Catholic Bishops. As such, UPMC Mercy neither endorses nor provides medical practices and/or procedures that contradict the moral teachings of the Roman Catholic Church.
Pittsburgh, PA, USA UPMC.com