My sweet, lovely Pit Bull is almost 4. She has suddenly begun acting aggressively and strange with other dogs. She has always loved dogs and people. Now just people. What is up?
It's not unusual for a pit bull's tolerance for other dogs to change over the course of their life. Assuming that your girl is healthy and not in pain and there haven't been any significant changes in her social sphere, this is mostly likely what it occurring.
Dog aggression is a tendency all pit bull owners need to be prepared for. And, quite a few people have written in asking about a dog that suddenly seems to have changed her mind about liking other dogs.
Here are some articles that may help you understand what's going on and how you need to respond to it: