Lab animals whose noses were treated using neomycin -- the main ingredient in over-the-counter Neosporin ointment -- mounted ...

Polymyxin B sulfate 10000Units, bacitracin zinc 400Units ... Max 2 drops every 2 hours. Ointment formerly known under the brand name Neo-Polycin, Neosporin.

such as Neosporin (Marks et al., 2002; Rietschel & Fowler, 2008). Polymyxin should also be avoided since it and bacitracin are both obtained from Bacillus subtilis and crossreaction may be seen ...