Will getting a second dog help separation anxiety?
It's one of the most common suggestions and one of the least reliable. Some dogs settle with any company; others need one specific person. Test before you commit — here's how.

“Get another dog — they’ll keep each other company.” You’ve probably heard it from friends, family, maybe even a trainer. It’s appealing. It’s also a big commitment to make on a guess.
What the research says
Why it works for some dogs and not others
If your dog’s distress is about being alone, a companion might help. If it’s about being apart from you, another dog won’t change that — and you’ll have two dogs to care for.
Test it before you commit
If you already have two dogs
Having another dog at home doesn’t appear to protect against separation anxiety (Flannigan & Dodman, 2001). If both dogs are distressed, each may need its own plan — a professional’s view is worth having. If one copes and the other doesn’t, practice may need to include separating the dogs from each other for short periods (our rule of thumb).
What reliably helps
The approach with the best evidence isn’t company — it’s teaching your dog that being alone is safe, one short, calm absence at a time (Butler et al., 2011; Sargisson, 2014). Company is still useful while you train: most dogs with separation anxiety are fine as long as someone is with them (ASPCA), so a sitter, friend or daycare can cover long absences.
Free starter guideFind your dog’s numberThe complete threshold-test chapter, the five rules and the Quick-Start Card. Free PDF.Get the free guide →Common questions
Are dogs happier with a second dog?
Some are, some aren't — it depends on the dogs. For separation anxiety specifically, having other pets at home was not linked to separation anxiety in a study of 400 dogs, so a second dog isn't a reliable fix.
What if both my dogs are anxious?
Each may need its own plan, and it's worth getting a professional's view. If one copes and the other doesn't, practice may need to include separating the dogs from each other for short periods too.
Stop guessing how long to leave your dog.
An 82-page illustrated guide, a fillable workbook, an Excel tracker that tells you what to do after every session, and a one-page card for the fridge. 111 cited sources.