Question 35

A 72 year old woman awoke with right eye pain and goes immediately to the emergency room. The first year resident sees her on call and astutely (and correctly!) diagnoses her with a 7mmx7mm corneal abrasion. There is no infiltrate and she does not wear contacts. The resident starts her on an antibiotic drop and she is followed in clinic over the next few days. The epithelium is healing, but she subsequently develops chalky white precipitates in the corneal epithelium. What antibiotic drop did the resident most likely prescribe?

Ciprofloxacin

Sulfacetamide

Polymyxin B sulfate/trimethoprim

Tobramycin

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