does neosporin heal cold sores
Cold sores are caused by a Herpes Virus (HSV-I not the genital variety HSV-II). Abreva is a topical medication that can help fight and speed healing of cold sores. Abreva is over the counter in the USA. Neosporin will not keep the virus from spreading but could help it from becoming secondarily infected with bacteria. Neosporin contains 3 antibiotics: Neomycin, Bacitracin and Polymyxin.