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Oak Brook Urology 2425 West 22nd Street, Suite 216, Oak Brook IL 60523 |
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800-770-2791 630-9904244 |
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URINARY TRACT INFECTIONS - A REVIEW
The urinary tract makes and stores urine, one of your body's liquid waste products. The kidneys produce 1.5 to 2 quarts of urine every day by removing waste and water from the blood. The urine travels from the kidneys down two narrow tubes, called ureters. It is then stored in a balloon-like container called the bladder. In an adult, the bladder can hold 10 to 20 ounces of urine (about as much liquid as in one can of soda). When the bladder is about half full, you may begin to feel the need to empty it by urinating. Urine is carried out of the body through the urethra, a tube the begins at the bottom of the bladder. The end of the urethra is near the top of the vagina in women. In men the urethra passes through the prostate gland and exits at the tip of the penis. Normal urine contains no bacteria (sometimes referred to as 'germs'), but bacteria do cover your skin and are present in large numbers in the rectal area and in your bowel movements. Bacteria may, at times, get into the urinary tract (and the urine) and may travel up the urethra into the bladder. When this happens, the bacteria cause infection and inflammation of the bladder. In other words, they multiply, causing irritation, swelling, and pain. Bladder infection, also called cystitis, is the most common urinary tract infection. If the bacteria travel upward from the bladder through the ureters and reach the kidneys, you may develop a kidney infection, also known as pyelonephritis. Kidney infections are much less common but often more serious than bladder infections. WHAT ARE THE SIGNS OF A URINARY TRACT INFECTION? Your need to urinate may seem urgent; but when you try to do so, you may produce only a few drops of urine. In addition, you may feel a burning sensation as the urine comes out. It may even be hard to control; in fact, some urine may leak onto your clothing. You may notice that the urine has an unpleasant odor or a cloudy look. At times, bladder infections may also cause low back pain, fever, or chills. Kidney infections produce fever and back pain much more commonly than do bladder infections. If a kidney infection is not treated promptly, the bacteria may spread to the bloodstream and cause a life-threatening infection. In an infant or young child, the signs of a urinary tract infection may not be clear, especially if the child is too young to tell you just how he or she feels. Instead, the child may be irritable, not eat as much as usual, have a fever or loose bowel movements, or just not seem healthy. If the symptoms last more than a day, they may signal the need to see a doctor. HOW DO YOU FIND OUT WHETHER YOU HAVE A URINARY
TRACT INFECTION? Your doctor will try to find out whether you have a urinary tract infection by examining samples of your urine under a microscope. If an infection is present, the physician may also perform a urine culture, a process in which bacteria from infected urine are grown in a laboratory. The germs can then be identified and tested to see which drugs will provide the most effective treatment. It often takes a day or two, however, to complete this testing. HOW ARE THESE INFECTIONS TREATED? The number of days you must take medication and the number of doses you must take each day depend, in part, on the type of infection you have and how severe it is. You usually will have to take the medicine for at least two to three days and possibly for as long as several weeks. The daily treatment schedule your doctor recommends depends on the specific drug prescribed. It may call for a single dose each day or up to four daily doses. A few doses of the antibiotic may relieve you of the need to urinate often and most of the pain from a bladder infection. It may be several days, however, before the bladder infection and its symptoms vanish completely. In any case, it is important to take medications as prescribed by your doctor and not to stop them simply because the symptoms have gone away. Unless urinary tract infections are fully treated, they frequently return. When you have a urinary tract infection, you should drink fluids whenever you are thirsty. It is not necessary to drink large amounts, but you should make certain that your body has the liquid it needs. If the urinary tract infection is severe, it may involve the kidneys. In that case, antibiotic drugs may have to be injected. Hospital treatment with medication given intravenously (injected directly into the bloodstream) is sometimes necessary. FACTS ABOUT URINARY TRACT INFECTIONS * Every year, 8 to 10 million visits to doctors occur because of urinary tract infections. * The bacteria that cause urinary tract infections are treated with bacteria-fighting drugs called antibiotics. * Women are usually more prone to urinary tract infections than men or children are. * One to Two percent of children develop urinary tract infections. * Young children have the greatest risk for kidney damage due to urinary tract infections. * Certain people who get one or more urinary tract infections may need further testing to make sure that they do not have other health problems. WHY DO YOU GET A URINARY TRACT INFECTION? A number of factors may increase a person's risk of getting a urinary tract infection. Some of these factors include: * having certain diseases (such as diabetes) or an abnormal urinary system * recently having had a medical instrument inserted into the urethra * sexual contact A urinary tract infection in a man or child may be the sign of an abnormal urinary tract. For this reason, when men or children are found to have a urinary tract infection, they may be referred to a urologist (a specialist in diseases of the urinary system and the male reproductive system) for additional tests and x-rays.
* young children WHAT ELSE MAY FEEL LIKE A URINARY TRACT INFECTION? * Urethritis may be either an inflammation or an infection of the urethra. When infection is present in the urethra, the condition often is due to bacteria passed by sexual contact. * Interstitial cystitis is a bladder irritation found mainly in adult women; its cause is not known. * Urinary stones sometimes develop in the bladder, irritating it and causing symptoms similar to those of a urinary tract infection. On occasion, the stones have bacteria inside that trigger hard-to-cure infections. * Bladder tumors (cancerous or noncancerous growths), when present, may irritate the bladder. The symptoms often include a frequent need to urinate and possibly blood in the urine. * Prostatitis is an inflammation or infection of the male gland, the prostate, which surrounds the urethra just below the bladder. In adult males, prostate disorders may cause symptoms that resemble those of urinary tract infections. DO URINARY TRACT INFECTIONS HAVE LONG-TERM
EFFECTS? Young children have the greatest risk for kidney damage from urinary tract infections. Such damage may lead to poor kidney function, high blood pressure, and other problems. For this reason, it is important that children with urinary tract infections receive prompt treatment and careful checkups. Pregnant women with a history of repeated urinary tract infections should have their urine tested often. Urinary tract infections during pregnancy can cause serious kidney infections in the mother and possible risks for the baby. WHAT STEPS CAN YOU TAKE TO HELP PREVENT THESE
INFECTIONS? * Don't postpone--urinate when you feel the urge. Consult your doctor at the first sign of a problem. Urinary tract infections are very common, and they are easiest to treat if caught before they become severe or spread beyond the bladder.
Copyright 1999 Dialog Medical, Inc. All rights reserved
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