Causes of Urinary Tract Infection
| Overview of UTI | Risk Factors for UTI | Complications of UTI |
| Types of UTI | When to see a doctor | Prevention of UTI |
| Causes of UTI | Tests and Diagnosis | Home Remedies |
| Symptoms and Signs | Treatment of UTIs | Questions & Answers |
The common causes of Urinary Tract Infections are bacterial microorganisms. However UTIs can also be caused by fungi like Candida.
Many of these germs live in the large intestine and are found in stool or in the perineum. They usually get into the urinary system through the tube-like urethra which carries urine from the bladder to the exterior.
In general, most UTIs are caused by bacteria. Of these bacteria, a special group called gram-negative bacteria account for 9 out of 10 infections. Another group called gram-positive bacteria are responsible for 1 out of 10 infections.
Examples of gram-negative bacteria that cause urinary tract infections include Escherichia Coli, Klebsiella Spp, Pseudomonas Aeuriginosa, Enterobacter, Proteus Mirabils
An example of gram-positive bacteria causing UTI is Staphylococcus Saprophyticus.
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Created - March, 2007
Last updated - August, 2009
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