It's even scarier when it's a dog that is usually docile and friendly but then suddenly becomes aggressive, growling, lunging, or baring its teeth.In an extreme case, the dog may bite or attack you or a family … Recently a friend’s dog bit one of the children in the family, after seven years of living together without any aggression from the dog. He was a dominant dog and couldn't be trained at a dog school. Now any time the younger one sees the older one, she seems to want to attack her on sight. But we really don’t know why he is suddenly aggressive towards her. The eight-year-old boy tends to be hyperactive and the dog tends to be nervous, and one day when they were alone in the back yard together, the child pulled the dog up on its back legs and hugged it hard. Top 3 Reasons for Aggressive Dog Behavior, and What to Do About It Why Would a Loving Dog Suddenly Become Aggressive? The answer isn’t always clear.

5 Ways of Dealing with Aggression When You Have More Than One Dog (Video) Most Dogs Don’t Want to Be Aggressive. To … An injury could be the source of your dog's sudden aggression if it seems to be in pain. For probably the last week he’s only picked at his food sometimes eating his full breakfast meal or maybe just half. Question. In a multiple-dog home, one of the most disturbing situations is when there are aggressive incidents between the dogs. I rescued my 1 year old dog, Jax, from a shelter about 4 months ago. Aggressive behavior includes growling, lip lifting, barking, snapping, lunging, and biting. We learned not to let children stare in his face. 2 days ago she suddenly went for her and they had an all out fight. I think she may have done something to make him feel threatened or scared but I’m not sure. He gets along really well with my sister’s golden and the poodle next door. Causes of Aggression Toward Familiar People in Dogs. I have a 2 1/2 year old male german shepherd who is very well trained … He has always hated other dogs, now suddenly has started being aggressive with people as well. He growled and lunged at a stranger on a walk, but then today when we had teo friends over who he has met and been with multiple times, he growled at one, then ignored the other until he very suddenly lunged at him. I have a 2.5 year old German Shepard/boarder collie. It was easily one of the happiest days of my husband and my life. Dog Two, "R", average-sized pit bull mix, almost two years old, big lazy baby of a dog. Hi! Many pet owners wonder what exactly caused their dog to growl, snap or bite. Dog-to-Dog Aggression. Why is your dog suddenly aggressive toward other dogs? He’s usually very smart and sweet. His normal personality is sweet sweet sweet loving me ,other dogs, other animals and people in general.