Cystitis. What you can do to prevent it
What is it?
Cystitis is an inflammation or infection of the urinary bladder. When caused by germs, it’s called a urinary tract infection (UTI). UTIs can be painful and annoying. They can also become a serious health problem if they spread to infect your kidneys.
The drugs most commonly prescribed to fight cystitis are:
Your urinary system is composed of the kidneys, ureters, bladder and urethra. All play a role in removing waste from your body. Your kidneys, a pair of bean-shaped organs in your upper-posterior abdomen, filter waste from your blood. Tubes called ureters carry urine from your kidneys to the bladder, where it is stored until it exits your body through the urethra. A urinary tract infection can begin when bacteria enter the urinary tract through the urethra and then begin to multiply.
What are the signs and symptoms?
- A strong, persistent urge to urinate
- A burning sensation when urinating
- Passing frequent, small amounts of urine
- Blood in the urine
- Passing cloudy or strong-smelling urine
- A feeling of pressure in the lower abdomen
- Low-grade fever
In young children, new episodes of bed-wetting may also be a sign of a UTI.
What are the causes of cystitis?
There are two main types of bladder infections and they are:
Community-acquired bladder infections. These infections occur when people who aren’t in a medical care facility, such as a hospital or nursing home, develop a bladder infection. This condition is common in women between the ages of 30 and 50, but is rare in men of the same age. However, men older than 50 may be at risk of this type of infection because of prostate enlargement, a common condition that can block urine flow in older men.
Hospital-acquired, or nosocomial, bladder infections. These infections occur in people in a medical care facility, such as a hospital or nursing home. Most often they occur in those who have had a urinary catheter placed through the urethra and into the bladder to collect urine, a common practice done before some surgical procedures, for some diagnostic tests, or as a means of urinary drainage for elderly people or people confined to bed. Nosocomial bladder infections can occur when a temporary or permanent catheter is placed in the bladder of a person who is unable to void spontaneously.
UTIs typically occur when bacteria enter the urinary tract from the outside, usually through the urethra, and begin to multiply. The urinary system is designed to keep out such microscopic invaders. The bladder secretes a protective coating that prevents bacteria from attaching to its wall. Urine also has antibacterial properties that inhibit the growth of bacteria. However, certain factors increase the chances that bacteria will take hold and multiply into a full-blown infection.
Sometimes cystitis is referred to as honeymoon cystitis, because this bladder infection commonly occurs in women as a result of sexual intercourse. During sexual activity, bacteria may be introduced into the bladder through the urethra. But even sexually inactive girls and women are susceptible to lower urinary tract infections because the anus, a constant source of bacteria, is so close to the female urethra.
Most cases of cystitis are caused by Escherichia coli (E. coli), a species of bacteria commonly found in the rectal area. A new strain of antibiotic-resistant E. coli may be the cause of increasingly hard-to-treat UTIs in women.
Although more rare, other causes of cystitis, or conditions that may mimic bacterial UTIs, include:
- Organisms found in tuberculosis or yeast infection (vaginitis)
- Radiation treatment to the bladder area
- Tumors in the bladder
- Interstitial cystitis
- Certain medications
What are the risk factors?
Risk factors in both men and women include anything that impedes the flow of urine, such as an enlarged prostate or a stone in the bladder. Changes in the immune system, which can occur with conditions such as diabetes, also can increase the risk of UTIs. So can the prolonged use of bladder catheters, which may be needed in people with chronic illnesses or in older adults.
Research funded by the National Institutes of Health suggests that a woman’s blood type may play a role in her risk of recurrent infections of the bladder and urinary tract. Bacteria may be able to attach to cells in the urinary tract more easily in those with certain blood factors. But more research is needed to determine whether an association exists and whether it could be useful in identifying people at risk of recurrent infection.
Screening and diagnosis
If you have any symptoms of a bladder infection, talk to your doctor as soon as possible. If your doctor suspects you have a bladder infection, he or she may ask for a urine sample to determine whether bacteria, blood or pus is in your urine.
Treatment
Antibiotics are the first line of treatment for community-acquired bladder infections. Which drugs are used and for how long depend on your health condition and the bacteria found in your urine test, if such a test is performed. The drugs most commonly recommended for simple UTIs include amoxicillin (Amoxil, Trimox), ciprofloxacin (Cipro), nitrofurantoin (Macrodantin, Furadantin), sulfamethoxazole (Bactrim, Septra) and trimethoprim (Trimpex, Proloprim). Make sure your doctor is aware of any other drugs you’re taking or any allergies you might have.
Usually, symptoms clear up within a few days of treatment. However, you’ll likely need to stay on antibiotics for three days to a week, depending on the severity of your infection. No matter what the length of treatment, take the entire course of antibiotics recommended by your doctor to ensure that the infection is completely eradicated.
Hospital-acquired bladder infections can be a challenge to treat because bacteria found in hospitals are often resistant to the common types of antibiotics used to treat community-acquired bladder infections. For that reason, different types of antibiotics and different treatment approaches may be needed. Currently, researchers are testing whether using catheters pre-treated with antimicrobial products may help reduce the incidence of this type of bladder infection.
How to prevent cystitis
- Drink plenty of liquids, especially water. Cranberry juice may have infection-fighting properties. However, don’t drink cranberry juice if you’re taking the blood-thinning medication warfarin (Coumadin). Possible interactions between cranberry juice and warfarin can lead to bleeding.
- Urinate frequently. Avoid retaining your urine for a long time when you feel the urge to void.
- Wipe from front to back after a bowel movement. Doing so prevents bacteria in the anal region from spreading to the vagina and urethra.
- Take showers rather than tub baths. If you’re susceptible to infections, doing so can help prevent inf
ections. - Gently wash the skin around the vagina and anus. Do this daily, but don’t use harsh soaps or wash too vigorously. The delicate skin around these areas can become irritated.
- Empty your bladder as soon as possible after intercourse. Drink a full glass of water to help flush bacteria.
- Avoid using deodorant sprays or feminine products such as douches in the genital area. These products can irritate the urethra.
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