A 72-year-old diabetic male presents to the Emergency Department with severe right-sided otalgia for 2 weeks and vomiting. On examination, there is granulation tissue in the external auditory canal and facial nerve palsy.
Which of the following is the most appropriate initial treatment?
A
Oral ciprofloxacin
B
IV ceftazidime + ciprofloxacin
C
IV amoxicillin-clavulanate
D
Topical gentamicin drops
E
IV vancomycin + metronidazole