Many medical response dogs "alert" their handlers to conditions before they occur.
[1] In addition to or in the absence of this training, medical response dogs are also often trained skills to help in their handlers' symptoms, such as bringing medications or a telephone, providing bracing and other mobility assistance, or any other number of tasks.
Like all assistance dogs, they must be of a particular work-loving personality and be properly socialized if expected to work in public.
According to ADA law in the United States, medical response dogs are guaranteed access to any facility in which the public is allowed to enter.
The rules established in 2020 by the U.S. Department of Transportation allow airlines to require the submission of forms attesting to the dog's health, temperament, training, and ability to relieve itself in a sanitary manner [5]