An Overview of Urinary Tract Infection: Prevalence, Causes & Treatment

A urinary tract infection (UTI) is an infection caused by bacteria that affects the bladder and surrounding structures. These patients don't have any concomitant conditions like diabetes, an immunocompromised state, or pregnancy, and do not have any structural abnormalities.

Compared to men, women have a higher risk of getting a UTI. 40% of women in the United States will get a UTI at some point in their lifetime making it one of the most prevalent infections.

SYMPTOMS

Common symptoms include:

• A frequently high urge to urinate

• A burning sensation during urination

• Frequent urination and frequent urine discharge

• Cloudy-looking urine

• Red, bright pink, or cola-colored urine is an indication that there is blood in the urine

• Pain in the middle of the pelvis and around the pubic bone is particularly common in women

Symptoms based on the parts of the Urinary tract:

CAUSES

• The most common cause of UTIs is when bacteria enter the urinary tract via the urethra and start to proliferate in the bladder

• It is the purpose of the urinary system to keep bacteria out. But sometimes the defenses fail

• Due to this the bacteria may develop a stronghold and develop into a serious infection in the urinary system

AFFECTED AREAS

The bladder and urethra are the most commonly affected areas by UTIs in women

Infection of the bladder

• It happens mostly in women as the urethra and anus are in close proximity in females.

• The bladder is near the urethral opening which facilitates the entry of urethral germs into the bladder and facilitates the spread of bacteria around the anus

Infection of the urethra

• GI bacteria from the anus can migrate to the urethra and cause this strain of UTI

• The proximity of women's urethras to the vagina makes this possible

DIAGNOSIS

It is diagnosed using several tests and procedures:

• Examination of a urine sample - White blood cells, red blood cells, or bacteria are examined in the urine sample.

• Lab culture of bacteria from the urinary tract - This test identifies the germs that are causing the infection.

• Imaging tests - A urinary tract structural issue may be the cause of UTIs. To examine for such a problem MRI, CT scan, or ultrasound tests are performed

• Cystoscopy - A long, thin tube with a lens called a cystoscope is used to examine the urethra and bladder internally.

TREATMENT

• Trimethoprim, Cephalosporins, and Nitrofurantoin are given for mini-dose therapy (5-7 days)

• Fluoroquinolones – used to treat complicated urinary tract infections

• Fosfomycin – single-dose treatment for uncomplicated UTIs caused by E. coli

• Intravenous treatment - In the case of a very complicated UTI, there is bacterial resistance which indicates that the infection has spread to the kidneys

• Cranberry juice – contains tannins that prevent the E. Coli bacteria from adhering to the bladder's inner walls

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