As gross as it sounds, it seems like one of my girls is bleeding from (some of) her nipples. She doesn't seem to be in any pain- she's actually been acting normal. I got her about three weeks ago, and I was told that she was around two months old. We called a vet yesterday, and they said that she had probably just been scratched by one of my other rats. Should I begin applying neosporin now, or wait?