saprophyticus is a Gram-positive bacterium that is a common cause of urinary tract infections, especially in young females. It is also found in pigs and cows and may be a source of human gut colonization and human S. saprophyticus infection through transferred contamination of meat by the meat-processing chain. S. saprophyticus UTIs have a greater successful treatment rate than Escherichia coli UTIs, but they also have a higher recurrent infection frequency. Rare complications of S. saprophyticus UTI include acute pyelonephritis, nephrolithiasis, and endocarditis.
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