Neosporin is the product name of a bacitracin ointment produced by Pfizer used in the prevention of infection and speeding the healing of exposed Biological tissue. The original ointment contains bacitracin, neomycin, and polymyxin.
From Neo, (Greek) new + Sporos, (Greek) seed.
Other brand names for this mixture include Mycitracin® and Topisporin®.
Pfizer also produces a related mixture of bacitracin and polymyxin, branded Polysporin®.