This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2019, Subject name: Surgery
A patient with necrotizing fasciitis is treated with antibiotics and debridement. He got discharged on wound recovery. Now he came back after 10 days with diarrhea and fever. The following are done except:- 
Select and explain. 
A. Continue same antibiotic, B. Stop loperamide, C. Oral Vancomycin is the drug of choice, D. Washing hands with alcohol based hand sanitizers are superior to washing hands with soap to stop the spread of diarrhea.
A: Continue same antibiotic
Answer: A: Continue same antibiotic 
Explanation: History of antibiotic(staph/strep) - aminopenicillin (ampicillin / amoxycillin) After this, patients develop diarrhea and fever PSEUDOMEMBRANOUS COLITIS - DOC - Oral Vancomycin Use of antidiarrheals (e.g.,loperamideis contraindicated in all cases ofpseudomembranous enterocolitisas this may exacerbate toxin-mediated disease and precipitate toxic megacolon.