Consult a veterinarian to rule out medical causes and discuss treatment options
Use a certified dog trainer or veterinary behaviorist for a behavior plan
Practice short departures and returns to build tolerance gradually
Keep departures and arrivals calm and low-key
Create a safe, comfortable space with familiar bedding and toys
Provide mental enrichment with puzzle toys, sniffing games, and chew items
Increase exercise before leaving to reduce excess energy
Leave the dog with a long-lasting food toy or treat
Use background noise such as white noise or calming music
Avoid punishment for anxious behavior
Desensitize departure cues like picking up keys or putting on shoes
Train independence by encouraging the dog to relax alone in another room
Use crate training only if the dog is comfortable and the crate is not a source of stress
Consider calming aids recommended by a veterinarian
Maintain a predictable daily routine
Arrange for a dog sitter, dog walker, or daycare if needed
Monitor progress with video to identify triggers and patterns