This patient calls the night before his Mohs surgery and is wondering whether he needs any antibiotics before his procedure tomorrow because he had knee replacements 3 months ago. Which of the following is the appropriate response?

A. Advise him that he does not need any antibiotics

B. Prescribe Cephalexin 2 gm PO x 1 an hour pre procedure

C. Prescribe Clindamycin 600 mg PO x 1 an hour pre procedure

D. Prescribe Levofloxacin 500 mg PO x 1 an hour pre procedure

E. Prescribe Amoxicillin 2 gm PO x 1 an hour pre procedure

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