A UTI is an infection of the urinary tract. Belong to the lower urinary tract - as seen from the kidney of - the renal pelvis, the ureters, the bladder and finally the urethra. In most cases, a urinary tract infection caused by bacteria. Very rarely are fungal or viral infections or infections caused by parasites.
E. coli is the main cause
In most cases, the bacteria come from the body's intestinal flora. The most common pathogen is the bacterium E. coli. Other bacteria are Proteus, Klebsiella, Staphylococcus saprophyticus and Enterobacter species rarely.
Catheters increase the risk of infection
Rarely there is an infection caused by enterobacteria, enterococci and Pseudomonas aeruginosa. These pathogens tend to occur in hospital infections. People who wear a catheter are also threatened by epidermitis budding fungi (yeasts), and Staphylococcus.
In 80 to 90 percent of cases, the E. coli bacterium of the trigger for a urinary tract infection.
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