You can get a service dog for any disability, whether physical, sensory, psychiatric, or medical, as long as the dog is trained to perform a specific task related to that disability. There is no official list of qualifying conditions. Under the Americans with Disabilities Act, the key requirement is that you have a disability and the dog does identifiable work to help you manage it.
How the ADA Defines a Service Dog
A service animal is a dog individually trained to do work or perform tasks for a person with a disability. That definition is intentionally broad. The law does not specify which diagnoses qualify or require you to prove your condition to anyone. When it isn’t obvious that a dog is a service animal, staff at businesses and public venues can only ask two questions: Is this a service animal required because of a disability? And what task has the dog been trained to perform? They cannot ask about your diagnosis, request medical documentation, or demand that the dog demonstrate its task on the spot.
What matters legally is the connection between your disability and the dog’s trained behavior. A dog that simply provides comfort by being present does not meet the definition. The dog must perform a concrete, trainable action that directly mitigates your disability.
Physical and Mobility Disabilities
People with conditions that affect movement, strength, or balance are among the most common service dog handlers. This includes spinal cord injuries, multiple sclerosis, cerebral palsy, muscular dystrophy, arthritis, and amputations. Mobility service dogs can retrieve dropped items, open and close doors, pull wheelchairs, provide bracing so you can stand from a seated position, and press elevator buttons or light switches. For someone who uses a walker or has limited use of their arms, these tasks can be the difference between needing a human aide and living independently.
Visual and Hearing Impairments
Guide dogs for people who are blind or visually impaired are the most widely recognized type of service dog. They navigate obstacles, stop at curbs and stairs, and help their handler move safely through traffic and crowds.
Hearing alert dogs serve people who are deaf or hard of hearing by responding to specific sounds and physically alerting their handler. These sounds typically include doorbells, fire alarms, oven timers, a baby crying, or someone calling the handler’s name. The dog might nudge the handler and then lead them toward the sound source.
Seizure and Epilepsy Disorders
Seizure alert dogs detect changes in their handler’s body before a seizure begins, giving the person time to sit down, move to a safe location, or take medication. Some dogs are also trained to respond during a seizure by lying next to their handler to prevent injury, pressing an emergency alert button, or retrieving a phone. Epilepsy is the most common qualifying condition in this category, but other seizure disorders qualify as well.
Diabetes and Cardiac Conditions
Diabetic alert dogs detect blood sugar fluctuations, typically through scent changes, and alert their handler when levels are dropping or spiking dangerously. This is especially valuable during sleep, when a person cannot check a continuous glucose monitor.
Service dogs can also be trained to detect changes in heart rate and breathing for cardiac conditions like postural orthostatic tachycardia syndrome (POTS) and cardiomyopathy. These dogs may alert the handler to sit or lie down before a fainting episode, or retrieve water and medication.
Psychiatric and Mental Health Conditions
Psychiatric service dogs assist people with mental health diagnoses including PTSD, major depression, anxiety disorders, bipolar disorder, and schizophrenia. These are fully recognized service dogs under the ADA, with the same public access rights as any other service animal.
The tasks a psychiatric service dog performs vary by condition. For someone with PTSD, the dog might be trained to scan a room before the handler enters, create physical space in crowds by standing between the handler and other people, or wake the handler from nightmares. For anxiety or panic disorders, a dog can be trained to apply deep pressure therapy by lying across the handler’s lap or chest during a panic attack, interrupt repetitive behaviors, or remind the handler to take medication at specific times. For someone experiencing dissociative episodes, the dog might lick the handler’s face or nudge them to bring their attention back to the present.
The distinction that matters here: providing emotional comfort just by being nearby is what an emotional support animal does, and that is not the same thing as a service dog. A psychiatric service dog must perform a trained, observable task.
Autism and Developmental Disabilities
Service dogs for autistic individuals, often children, perform tasks tailored to sensory and behavioral challenges. One of the most well-known tasks is tethering, where the child is connected to the dog by a short lead to prevent elopement (running into traffic or away from caregivers). These dogs also help bridge transitions between activities, like getting ready for school, which can be a significant source of distress. Some are trained to apply deep pressure during sensory overload or to interrupt self-harming behaviors.
Service Dogs vs. Emotional Support Animals
Emotional support animals provide comfort through companionship, but they are not trained to perform specific tasks. This distinction has real legal consequences. Service dogs have full public access rights under the ADA, meaning they can accompany you in restaurants, stores, hospitals, and on public transit. Emotional support animals do not have these rights. They may receive some housing protections under the Fair Housing Act, but businesses are not required to admit them.
If your disability requires a dog to perform identifiable work, you qualify for a service dog. If your pet’s presence simply makes you feel calmer, that animal is an emotional support animal, not a service dog.
No Certification or Registration Required
The ADA does not require service dogs to be certified, registered, or professionally trained. You will not find a legitimate government registry. Websites that sell certificates, ID cards, or registration papers are not recognized by the Department of Justice, and no business can legally require you to show them. Mandatory registration of service animals by cities or states is also a violation of the ADA. Service dogs are not required to wear a vest or any identifying gear, though many handlers choose to use them for practical reasons.
Training Options, Costs, and Timelines
You have two main paths: working with a professional organization or training the dog yourself. Both are legally valid under the ADA. Owner-training is common for psychiatric service dogs and can work well if you have the time, knowledge, and a dog with the right temperament. Many handlers work with a professional trainer to help them through the process even if they are doing the day-to-day training themselves.
A fully trained service dog from a professional program typically costs between $10,000 and $50,000. Basic mobility assistance training runs $15,000 to $30,000, while specialized task training for seizure detection or blood sugar monitoring can range from $25,000 to $40,000. Guide dogs and medical alert dogs at the high end may reach $50,000, though many guide dog organizations provide dogs at no cost to the handler through fundraising. Training generally takes 6 to 18 months depending on the complexity of the tasks.
Some nonprofit organizations place service dogs at reduced cost or for free, but waitlists can stretch one to two years or longer. If you go the owner-training route, your primary costs are the dog itself, veterinary care, and any professional training sessions you use along the way.