The highest risk of developing a contact allergy clearly seems to come from topical neomycin, but bacitracin also causes significant but fewer numbers of positive patch-test reactions. The finding ...

Consider cross-hypersensitivity to other aminoglycosides, and the possibility that patients who become sensitized to topical neomycin may also be sensitive to other topical and/or systemic ...

Neomycin is the most commonly used topical antibiotic in the United States and in many European countries (Marks et al., 2002). It is available in both prescription and over-the-counter preparations.