Bacteria from a UTI that travels to the kidneys via the ureter can cause Pyelonephritis.
the main cause of acute pyelonephritis is gram-bad bacteria, the maximum not unusual being Escherichia coli. different gram-terrible bacteria which motivate acute pyelonephritis include Proteus, Klebsiella, and Enterobacter. In maximum patients, the infecting organism will come from their fecal vegetation.
The rationale is the Inflammation of the kidney specifically due to bacteria and the most common cause is ascending infection via the urinary tract.
Appendicitis is incorrect because it is inflammation of the appendix due to blockage and bacterial growth, most often from a fecalith
Kidney stones are incorrect because it is due to the presence of crystal-forming substances in urine and it is not due to bacteria from UTIs.
Gallstones are incorrect because it is due to the accumulation of bile in the gall bladder.
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