Separation anxiety is far easier to prevent than treat. Early training and appropriate management of puppies and newly adopted dogs establishes healthy independence.
Separation anxiety prevention is dramatically more effective and welfare-positive than treatment. Puppies and newly adopted dogs are in a developmental window where learning that being alone is safe and temporary requires only systematic practice. The pandemic demonstrated at scale what behaviorists had long known — dogs who never learned to be alone develop intense, debilitating anxiety when suddenly left. Simple prevention involves leaving the puppy for very brief periods from day one, returning before any distress develops, and gradually extending alone time. The welfare investment in these early weeks pays dividends across a lifetime, preventing the chronic suffering that separation anxiety causes and the strain on the human-animal bond that problem behavior creates.