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A urinary tract infection (UTI) is a common bacterial infection that affects parts of the urinary system, such as the bladder, urethra, or kidneys. It occurs when bacteria, most often E. coli, enter the urinary tract and multiply. UTIs can cause discomfort, burning when urinating, and a frequent urge to go to the toilet.
The common symptoms include a burning or stinging sensation when urinating, cloudy or strong-smelling urine, and the need to urinate more often than usual. You may also feel lower abdominal pain or pressure. In more severe cases, symptoms can include fever, back pain, or blood in the urine.
UTIs are usually caused by bacteria entering the urinary tract through the urethra and multiplying in the bladder. Factors such as poor hygiene, dehydration, sexual activity, or holding in urine for too long can increase the risk. Women are more likely to get UTIs due to their shorter urethra, which makes it easier for bacteria to reach the bladder.