What are signs of infection in urine?

Symptoms A strong urge to urinate that doesn't go away. A burning feeling when urinating. Urinating often, and passing small amounts of urine. Urine that looks cloudy. Urine that appears red, bright pink or cola-colored — signs of blood in the urine. Strong-smelling urine. More items... •

mayoclinic.org - Urinary tract infection (UTI) - Symptoms and causes - Mayo Clinic

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Overview

Female urinary system Open pop-up dialog box Close Female urinary system Female urinary system Your urinary system includes the kidneys, ureters, bladder and urethra. The urinary system removes waste from the body through urine. The kidneys are located toward the back of the upper abdomen. They filter waste and fluid from the blood and produce urine. Urine moves from the kidneys through narrow tubes to the bladder. These tubes are called the ureters. The bladder stores urine until it's time to urinate. Urine leaves the body through another small tube called the urethra. Male urinary system Open pop-up dialog box Close Male urinary system Male urinary system Your urinary system includes the kidneys, ureters, bladder and urethra. The urinary system removes waste from the body through urine. The kidneys are located toward the back of the upper abdomen. They filter waste and fluid from the blood and produce urine. Urine moves from the kidneys through narrow tubes to the bladder. These tubes are called the ureters. The bladder stores urine until it's time to urinate. Urine leaves the body through another small tube called the urethra. A urinary tract infection (UTI) is an infection in any part of the urinary system. The urinary system includes the kidneys, ureters, bladder and urethra. Most infections involve the lower urinary tract — the bladder and the urethra. Women are at greater risk of developing a UTI than are men. If an infection is limited to the bladder, it can be painful and annoying. But serious health problems can result if a UTI spreads to the kidneys. Health care providers often treat urinary tract infections with antibiotics. You can also take steps to lower the chance of getting a UTI in the first place.

Symptoms

UTI s don't always cause symptoms. When they do, they may include:

A strong urge to urinate that doesn't go away

A burning feeling when urinating

Urinating often, and passing small amounts of urine

Urine that looks cloudy

Urine that appears red, bright pink or cola-colored — signs of blood in the urine

Strong-smelling urine

Pelvic pain, in women — especially in the center of the pelvis and around the area of the pubic bone In older adults, UTI s may be overlooked or mistaken for other conditions.

Types of urinary tract infections

Each type of UTI may result in more-specific symptoms. The symptoms depend on which part of the urinary tract is affected. Part of urinary tract affected Signs and symptoms Kidneys Back or side pain

High fever

Shaking and chills

Nausea

Vomiting Bladder Pelvic pressure

Lower belly discomfort

Frequent, painful urination

Blood in urine Urethra Burning with urination

Discharge

When to see a doctor

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Causes

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UTI s typically occur when bacteria enter the urinary tract through the urethra and begin to spread in the bladder. The urinary system is designed to keep out bacteria. But the defenses sometimes fail. When that happens, bacteria may take hold and grow into a full-blown infection in the urinary tract. The most common UTI s occur mainly in women and affect the bladder and urethra. Infection of the bladder. This type of UTI is usually caused by Escherichia coli (E. coli). E. coli is a type of bacteria commonly found in the gastrointestinal (GI) tract. But sometimes other bacteria are the cause. Having sex also may lead to a bladder infection, but you don't have to be sexually active to develop one. All women are at risk of bladder infections because of their anatomy. In women, the urethra is close to the anus. And the urethral opening is close to the bladder. This makes it easier for bacteria around the anus to enter the urethra and to travel to the bladder. Infection of the urethra. This type of UTI can happen when GI bacteria spread from the anus to the urethra. An infection of the urethra can also be caused by sexually transmitted infections. They include herpes, gonorrhea, chlamydia and mycoplasma. This can happen because women's urethras are close to the vagina.

Risk factors

UTI s are common in women. Many women experience more than one UTI during their lifetimes.

Risk factors for UTI s that are specific to women include:

Female anatomy. Women have a shorter urethra than men do. As a result, there's less distance for bacteria to travel to reach the bladder. Women have a shorter urethra than men do. As a result, there's less distance for bacteria to travel to reach the bladder. Sexual activity. Being sexually active tends to lead to more UTI s. Having a new sexual partner also increases risk. Being sexually active tends to lead to more s. Having a new sexual partner also increases risk. Certain types of birth control. Using diaphragms for birth control may increase the risk of UTI s. Using spermicidal agents also can increase risk. Using diaphragms for birth control may increase the risk of s. Using spermicidal agents also can increase risk. Menopause. After menopause, a decline in circulating estrogen causes changes in the urinary tract. The changes can increase the risk of UTI s.

Other risk factors for UTI s include:

Urinary tract problems. Babies born with problems with their urinary tracts may have trouble urinating. Urine can back up in the urethra, which can cause UTI s. Babies born with problems with their urinary tracts may have trouble urinating. Urine can back up in the urethra, which can cause s. Blockages in the urinary tract. Kidney stones or an enlarged prostate can trap urine in the bladder. As a result, risk of UTI s is higher. Kidney stones or an enlarged prostate can trap urine in the bladder. As a result, risk of s is higher. A suppressed immune system. Diabetes and other diseases can impair the immune system — the body's defense against germs. This can increase the risk of UTI s. Diabetes and other diseases can impair the immune system — the body's defense against germs. This can increase the risk of s. Catheter use. People who can't urinate on their own often must use a tube, called a catheter, to urinate. Using a catheter increases the risk of UTI s. Catheters may be used by people who are in the hospital. They may also be used by people who have neurological problems that make it difficult to control urination or who are paralyzed.

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People who can't urinate on their own often must use a tube, called a catheter, to urinate. Using a catheter increases the risk of s. Catheters may be used by people who are in the hospital. They may also be used by people who have neurological problems that make it difficult to control urination or who are paralyzed. A recent urinary procedure. Urinary surgery or an exam of your urinary tract that involves medical instruments can both increase the risk of developing a UTI .

Complications

When treated promptly and properly, lower urinary tract infections rarely lead to complications. But left untreated, UTI s can cause serious health problems.

Complications of a UTI may include:

Repeated infections, which means you have two or more UTI s within six months or three or more within a year. Women are especially prone to having repeated infections. s within six months or three or more within a year. Women are especially prone to having repeated infections. Permanent kidney damage from a kidney infection due to an untreated UTI . . Delivering a low birth weight or premature infant when a UTI occurs during pregnancy. occurs during pregnancy. A narrowed urethra in men from having repeated infections of the urethra. Sepsis, a potentially life-threatening complication of an infection. This is a risk especially if the infection travels up the urinary tract to the kidneys.

Prevention

These steps may help lower the risk of UTI s:

mayoclinic.org - Urinary tract infection (UTI) - Symptoms and causes - Mayo Clinic

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