Urinary tract infection Introduction A urinary tract infection (UTI) is an infection in any part of the urinary system, which includes the kidneys, ureters, bladder, and urethra . Most infections involve the lower urinary tract— specifically the bladder (cystitis) and the urethra (urethritis). UTIs are common, especially in women, and are typically caused by bacteria like E. coli entering the urethra. Causative Agents The primary causative agent for Urinary tract infection (UTIs) is bacteria, most commanly Escherichia coli (E.coli) ,and other bacteria like Klebsella pneumonae, proteus miralibis and Enterococcus. Common fungi involved in UTI Include Candida albicans. Organism involved in UTIs generally originates from the gut and enter the urinary tract . Escherichia coli (E.coli) is the most common which originates from gut and accounts for 75-95% of cases world wide. ...
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