Pyelonephritis MCC: E coli s/s: irritative voiding, fever, flank pain, N/V, CVA tenderness UA: bacteria and WBC casts CBC: leukocytosis, L shift *Get US to r/o obstruction - hydronephrosis Tx: -OP: Cipro or levaquin for 1-2 weeks -IP: IV FQ
Which of the following is the most common cause of pyelonephritis?

A) Streptococcus pneumoniae
B) Escherichia coli
C) Staphylococcus aureus
D) Klebsiella pneumoniae