My dog attacked her littermate after parvo. What caused this aggression?

Question

My dog & her litter mate were diagnosed with parvo & they were isolated from being around each other for like a week and a half. They’re usually together 24/7. Well today is the first day they were able to see each other & as soon as I put my dog down she attacked her litter mate. What would be the cause of this? They loved each other before this all happened.

Dr. Andrea · Accepted Answer

I'm sorry your pups have been so ill. Being sick with Parvo, being isolated and going through the treatment is very stressful on dogs. They come home from the vet smelling funny and they may still not be feeling perfectly yet. First step is to keep them apart but try to have a baby gate between them so they can see and smell each other but not reach each other. Try to give them both equal attention and love. Reintroduce slowly, maybe in a more neutral space, like the back yard. Try a product like Adaptil, which is a dog pheromone that reduces stress. You can get it in a collar or a spray (the spray you would put on a bandanna then tie around the dog's neck). This can really help to calm. Just try to be relaxed with them and give them time-- most dogs will come around once they settle back in.

My dog attacked her littermate after parvo. What caused this aggression?

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