Neosporin? I'm almost sure I've read about someone using that on their snakes.
As for the bite, did it break the skin and is she bleeding? If not I wouldn't worry. I fed my normal male a young mouse and it ended up dying with his skin in it's mouth (it tried to bite him right before it died). The snake just pulled his skin out of the mouse's teeth once it was dead. No harm done at all, I think their skin is a lot tougher then we think.