Download &

Print on Demand


National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Urinary Tract Infections

Urinary tract infections (UTIs) are ones that occur in any organs that make up the urinary tract. The kidneys filter waste products from the blood and make urine. Ureters connect the kidney to the bladder. This holds urine until it is passed.

Signs &




to Ask

Self-Care /


•  A strong need to pass urine.

•  You pass urine more often than usual.

•  A sharp pain or burning feeling when you pass urine.

•  Bloody or cloudy urine.

•  It feels like your bladder is still full after you pass urine.

•  Pain in the abdomen, back, or sides.

•  Chills. Fever.

•  Nausea or vomiting.

•  A change in mental status, especially if you are over age 70.

Sometimes there are no symptoms with a UTI.

Illustration of organs in the urinary tract.

UTIs result when bacteria infect any part of the urinary tract. The bladder is the most common site.

Persons at Greater Risk for UTIs

•  Sexually active females.

•  Females who use a diaphragm for birth control.

•  Males and females who have had UTIs in the past.

•  Anyone with a condition that doesn’t allow urine to pass freely. An enlarged prostate gland (in males) and kidney stones are examples.

Image of nurse holding a blood and urine sample.
Image of smiling doctor.

An antibiotic is prescribed to treat the specific infection. Pain relievers are taken as needed. If you get UTIs often, your doctor may order medical tests to find out the problem.

This website is not meant to substitute for expert medical advice or treatment. Follow your doctor’s or health care provider’s advice if it differs from what is given in this guide.


The American Institute for Preventive Medicine (AIPM) is not responsible for the availability or content of external sites, nor does AIPM endorse them. Also, it is the responsibility of the user to examine the copyright and licensing restrictions of external pages and to secure all necessary permission.


The content on this website is proprietary. You may not modify, copy, reproduce, republish, upload, post, transmit, or distribute, in any manner, the material on the website without the written permission of AIPM.

2018 © American Institute for Preventive Medicine  -  All Rights Reserved.  Disclaimer  |