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Urinary Tract Infection (UTI).
Date: Nov. 2024
From: familydoctor.org
Publisher: American Academy of Family Physicians
Document Type: Article
Length: 1,778 words
Full Text:
What is a urinary tract infection (UTI)?
A urinary tract infection (UTI) is an infection in the urinary tract. The urinary tract includes the kidneys, the bladder and the urethra.
The kidneys are 2 bean-shaped organs that lie against the spine in the lower back. As blood flows through the kidneys, they remove
waste and store it in the bladder as urine. The bladder is the balloon-like organ located in the pelvis, which is between your abdomen
and thighs. The urethra is the tube that carries urine from the bladder and out of the body. Common UTI symptoms can include a
strong urge to urinate that doesn't go away or a burning feeling while urinating.
UTI Symptoms
Sometimes germs can grow in the urinary tract but you won’t have any symptoms. This is called asymptomatic bacteriuria. Your
doctor can test to find out if you have this. Asymptomatic bacteriuria should be treated in pregnant women, but does not need to be
treated in most other women.
Possible signs of a urinary tract infection include the following:
* A burning sensation or pain when you urinate
* Feeling like you need to urinate more often than usual
* Feeling the urge to urinate but not being able to
* Leaking a little urine
* Cloudy, dark, smelly or bloody urine
Are UTI symptoms the same in children?
In a child, UTI symptoms may include any of the symptoms listed above and may also include:
* Fever
* Diarrhea
* Vomiting
* Irritability or fussiness
* Being less active
* Stomach pain
* Back pain
* Wets his or her clothes even though he or she is potty trained
What causes urinary tract infections?
UTIs are caused by bacteria (germs) that get into the urinary tract. The urinary tract includes the kidneys, ureters, bladder, and
urethra. Any part of your urinary tract can become infected, but bladder and urethra infections are the most common.
Why do women get urinary tract infections more often than men?
Women tend to get urinary tract infections more often than men because bacteria can reach the bladder more easily in women. The
urethra (the opening to your urinary tract) is shorter in women than in men, so bacteria have a shorter distance to travel.
The urethra is located near the rectum in women. Bacteria from the rectum can easily travel up the urethra and cause infections.
Bacteria from the rectum is more likely to get into the urethra if you wipe from back to front (instead of front to back) after a bowel
movement. Be sure to teach children how to wipe correctly.
Having sex may also cause urinary tract infections in women because bacteria can be pushed into the urethra. Using a diaphragm
can lead to infections because diaphragms push against the urethra and make it harder to completely empty your bladder. The urine
that stays in the bladder is more likely to grow bacteria and cause infections.
Frequent urinary tract infections may be caused by changes in the bacteria in the vagina. Antibacterial vaginal douches, spermicides,
and certain oral antibiotics may cause changes in vaginal bacteria. Avoid using these items, if possible. Menopause can also cause
changes in vaginal bacteria that increase your risk for urinary tract infection. Taking estrogen usually corrects this problem but may
not be for everyone.
What are other possible causes of painful urination?
A painful burning feeling when you urinate is often a sign of a urinary tract infection (sometimes also called a bladder infection).
However, painful urination can occur even if you don’t have an infection. Certain drugs, like some used in cancer chemotherapy, may
inflame the bladder. Something pressing against the bladder (like an ovarian cyst) or a kidney stone stuck near the entrance to the
bladder can also cause painful urination.
Painful urination can also be caused by vaginal infection or irritation. You might be sensitive to chemicals in products such as
douches, vaginal lubricants, soaps, scented toilet paper, or contraceptive foams or sponges. If it hurts to urinate after you’ve used
these products, you’re probably sensitive to them.
Do I need to see a doctor if I have UTI symptoms?
Yes. Painful urination can be a symptom of a more serious problem. You should tell your doctor about your UTI symptoms and how
long you’ve had them. Tell your doctor about any medical conditions you have, such as diabetes mellitus or AIDS, because these
could affect your body’s response to infection. Tell your doctor about any known abnormality in your urinary tract, and if you are or
might be pregnant. Tell your doctor if you’ve had any procedures or surgeries on your urinary tract. He or she also need to know if
you were recently hospitalized (less than 1 month ago) or stayed in a nursing home.
If your doctor thinks your pain may be from vaginal inflammation, he or she may wipe the lining of your vagina with a swab to collect
mucus. The mucus will be looked at under a microscope to see if it has yeast or other organisms. If your pain is from an infection in
your urethra (the tube that carries urine from the bladder), your doctor may swab it to test for bacteria. If an infection can’t be found,
your doctor may suggest other tests.
How are urinary tract infections diagnosed?
Your doctor will usually be able to tell what’s causing your pain by your description of your symptoms, along with a physical exam.
Testing your urine (urinalysis) can also help your doctor identify what type of infection you have. Usually, a sample of your urine is
taken in your doctor’s office and sent to a lab to check for infection.
Can urinary tract infections be prevented or avoided?
There are many lifestyle choices that can help you prevent UTIs. These are some of the things you can do to protect yourself from
them:
* Drink plenty of water to flush out bacteria. For some people, drinking cranberry juice may also help prevent urinary tract infections.
However, if you’re taking warfarin, check with your doctor before using cranberry juice to prevent urinary tract infections. Your doctor
may need to adjust your warfarin dose or you may need to have more frequent blood tests.
* Don’t hold your urine. Urinate when you feel like you need to. Some children don’t go to the bathroom often enough. If your child
does this, teach him or her to go to the bathroom several times each day.
* Wipe from front to back after bowel movements. Teach your child to wipe correctly.
* Urinate after having sex to help wash away bacteria.
* Use enough lubrication during sex. Try using a small amount of lubricant (such as K-Y Jelly) before sex if you’re a little dry.
* If you get urinary tract infections often, you may want to avoid using a diaphragm as a birth control method. Ask your doctor about
other birth control choices.
* Avoid taking or giving your child bubble baths.
* Wear loose-fitting clothing (including underpants), and dress your child in loose-fitting clothing.
* If you are uncircumcised, wash the foreskin regularly. If you have an uncircumcised boy, teach him how to wash his foreskin.
Urinary tract infection treatment
If you are a healthy adult man or a woman who is not pregnant, a few days of antibiotic pills will usually cure your urinary tract
infection. If you are pregnant, your doctor will prescribe a medicine that is safe for you and the baby. Usually, symptoms of the
infection go away 1 to 2 days after you start taking the medicine. It’s important that you follow your doctor’s instructions for taking the
medicine, even if you start to feel better. Skipping pills could make the treatment less effective.
Your doctor may also suggest a medicine to numb your urinary tract and make you feel better while the antibiotic starts to work. The
medicine makes your urine turn bright orange, so don’t be alarmed by the color when you urinate.
How do I know if the treatment for UTI symptoms isn’t working?
If the treatment isn’t working, your UTI symptoms will stay the same, get worse, or you will develop new symptoms. Call your doctor if
you have a fever (higher than 100.5 degrees), chills, lower stomach pain, nausea, and vomiting. You should also call your doctor if,
after taking medicine for 3 days, you still have a burning feeling when you urinate. If you are pregnant, you should also call your
doctor if you have any contractions.
I’m pregnant. How will a UTI affect my baby?
If you have a UTI and it isn’t treated, it may lead to a kidney infection. Kidney infections may cause early labor. Fortunately,
asymptomatic bacteriuria and bladder infections are usually found and treated before the kidneys become infected. If your doctor
treats a urinary tract infection early and properly, it won’t hurt your baby.
Can a UTI cause serious damage to the kidneys?
Yes, sometimes a UTI can damage the kidneys. It’s important to seek treatment right away if you think you or your child has a UTI.
Living with urinary tract infections
If you have 3 or more urinary tract infections each year, your doctor may want you to begin a preventive antibiotic program. A small
dose of an antibiotic taken every day helps to reduce the number of infections. If sexual intercourse seems to cause infections for
you, your doctor many suggest taking the antibiotic after intercourse.
What if my child has UTIs again and again?
You doctor may want to check to see if an anatomical (physical) problem is causing the UTIs. If so, surgery may be needed to fix the
problem. Some children who have bladder or kidney problems have to take medicine every day so they won’t get another UTI.
Questions to ask your doctor
* Do I need any tests, such as urinalysis?
* What is the likely cause of my urinary tract infection (UTI)?
* Do I need medicine? How should I take it?
* What are the possible side effects of the medicine?
* When should I expect relief from my UTI symptoms?
* What UTI symptoms would indicate that my infection is getting worse? What should I do if I experience these symptoms?
* I get UTIs a lot. What can I do to prevent them?
* Do I need preventive antibiotics? If so, should I be concerned about antibiotic resistance?
* My child gets UTIs a lot. Could an anatomical problem be causing his or her UTIs?
Resources
National Institutes of Health, MedlinePlus: Urinary Tract Infections
Copyright: COPYRIGHT 2024 American Academy of Family Physicians
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