Post-traumatic stress disorder (PTSD) affects many military veterans, often persisting for years despite conventional treatments. As animal-assisted interventions gain popularity, clinicians face the question of when to recommend a service dog (SD)—a highly trained working partner—or an emotional support animal (ESA) that provides companionship without specialized task training.
Porter, Winkle, and Herlache-Pretzer (2021) conducted a web-based survey of service dog training organizations across the United States and Canada to identify the factors healthcare providers should consider before recommending one type of animal over the other. The study found that SDs and ESAs differ fundamentally in training, function, and legal access. Service dogs perform specific, task-oriented behaviors designed to mitigate PTSD symptoms—such as waking a veteran from nightmares, creating physical space in crowds, or interrupting flashbacks—while ESAs provide emotional comfort and stability without trained interventions.
The researchers stress that health professionals must assess the veteran’s psychological profile, daily functioning, cognitive capacity, and expectations before recommending an animal. For instance, veterans with severe avoidance behaviors may initially benefit more from an ESA, while those requiring task-based mitigation of PTSD symptoms could gain from a trained SD. Importantly, some SD tasks (e.g., repeated “safety checks”) may inadvertently reinforce avoidance, underlining the need for individualized evaluation and collaboration between clinicians and trainers.
The authors concluded that informed clinical guidance can optimize outcomes for both veterans and their dogs. By clearly communicating the veteran’s needs to training organizations, providers can improve task selection, ensure proper dog–handler matching, and support sustainable partnerships that enhance independence and mental wellbeing.
Source: Porter, M., Winkle, M. Y., & Herlache-Pretzer, E. (2021). Considerations for Recommending Service Dogs versus Emotional Support Animals for Veterans with Post-Traumatic Stress Disorder. People and Animals: The International Journal of Research and Practice, Volume 4, Issue 1, 2021.
