10-08-2008, 07:18 PM
A 65 year old man, who has diabetes mellitus for 12 years, comes to your office because of right ear pain and decreased hearing during the last 24 hours. Temperature is 38.3 C (101.0 F). The right pinna is erythematous and tender; the external auditory canal is erythematous and swollen, and a small amount of debris and greenish, malodorous exudates around the external meatus. The right cervical lymph nodes are tender and enlarged. Leucocyte count is 14,000/cu mm with 70% segmented neutrophils, 10% band forms, 10% lymphocytes, 3% eosinophils, 3% basophils, and 4% monocytes.
Which of the following is the most appropriate treatment?
a. Polymixin B sulfate, neomycin sulfate, hydrocortisone otic drops
b Amoxicillin clavulanate
c. Ampicillin
d. Ceftazidime
e. Cephalexin
Which of the following is the most appropriate treatment?
a. Polymixin B sulfate, neomycin sulfate, hydrocortisone otic drops
b Amoxicillin clavulanate
c. Ampicillin
d. Ceftazidime
e. Cephalexin