This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urethra & Penis, Subject name: Surgery
Acute bacterial prostatitis most common organism involved is: 
Select and explain. 
A. Streptococcal viridans, B. Pepto streptococci, C. Escherichia coli, D. Streptococci agalactiae
C: Escherichia coli
Answer: C: Escherichia coli 
Explanation: Ans. (c) Escherichia coliRef Bailey and Love 27th Edition, Page 1474Most common organisms causing Acute Prostatitis:* E. coli (Most common in 80%)* Staph, aureus* Staph. Albus* Streptococcus faecalis* Neisseria Gonorrhea* ChlamydiaInfection spread via hematogenous source or via acute urinary infectionClinical features: Fever with chills and rigors and back ache, urine contains threads in voided sample, rectal irritation, etc. Treatment involves antibiotics that penetrates prostate like trimethoprim and ciprofloxacin