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Symptoms Symptoms of lower urinary tract infections usually begin suddenly and may include one or more of the following signs: The urge to urinate frequently, which may recur immediately after the bladder is emptied. A painful burning sensation when urinating. (If this is the only symptom, then the infection is most likely urethritis, an infection limited to the urethra.) Discomfort or pressure in the lower abdomen. The abdomen can feel bloated. Pain in the pelvic area or back. The urine often has a strong smell, looks cloudy, or contains blood. This is a sign of pyuria , or a high white blood cell count in the urine, and is a very reliable indicator of urinary tract infections. Occasionally, fever develops. Symptoms of Severe Infection in the Kidney (Pyelonephritis) Symptoms of kidney infections tend to affect the whole body and be more severe than those of cystitis (inflammation of the bladder and ureters). They may include: Symptoms of lower UTIs that persist longer than a week. (Sometimes lo...
Causes The bacterial strains that cause UTIs include: Escherichia (E.) coli is responsible for most uncomplicated cystitis cases in women, especially in younger women. E. coli is generally a harmless microorganism originating in the intestines. If it spreads to the vaginal opening, it may invade and colonize the bladder, causing an infection. The spread of E. coli to the vaginal opening most commonly occurs when women or girls wipe themselves from back to front after urinating, or after sexual activity. Staphylococcus saprophyticus accounts for 5 - 15% of UTIs, mostly in younger women. Klebsiella , Enterococci bacteria, and Proteus mirabilis account for most of remaining bacterial organisms that cause UTIs. They are generally found in UTIs in older women. Rare bacterial causes of UTIs include ureaplasma urealyticum and Mycoplasma hominis , which are typically harmless organisms. Organisms in Severe or Complicated Infections The bacteria that cause kidney infections ( pyelonephritis ) are general...
For people with Alzheimer's disease, urinary tract infections (UTIs) can present particular difficulties. Later stage Alzheimer's disease is associated with increased difficulties in communication. Therefore, someone with a UTI, might be experiencing pain and discomfort yet be unable to articulate this. However, sudden changes in behavior, such as aggression , anxiety, violence, may be an indication that something is physically wrong. People with Alzheimer's get sick too, but far too often, their change in behavior is attributed to dementia rather than from a physical cause.
Urinary tract infections are more common in older people, people who are bedridden or who require total nursing care, those who are catheterized, or who use continence aids and in people whose immune system is compromised.
Symptoms of UTI include the following:
Urine looks cloudy or milky. It may look a reddish color in serious cases of urine infection if blood is present.
Urine often smells of...
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