Great Dane Health Guide
Everything great dane owners need to know about keeping their dog healthy.
Breed Overview
Great Danes are giant, deep-chested working dogs known for their gentle, people-oriented temperament and very large size. Historically developed from boar-hunting dogs and often called the 'Apollo of dogs,' they are generally affectionate family companions but carry meaningful health risks tied to their body size, rapid growth, and breed genetics. From a medical standpoint, what makes Great Danes unique is their high risk for gastric dilatation-volvulus (bloat), shorter average lifespan than smaller breeds, and predisposition to orthopedic, cardiac, endocrine, neurologic, and some cancer-related conditions. Because subtle symptoms can progress quickly in a giant breed, early veterinary attention is especially important.
Common Health Issues
Bloat (GDV)
Great Danes are one of the breeds at highest risk for gastric dilatation-volvulus, a life-threatening emergency where the stomach expands and can twist. Signs include nonproductive retching, a swollen abdomen, drooling, restlessness, weakness, or collapse. Immediate emergency care is needed.
Dilated Cardiomyopathy
Great Danes are predisposed to dilated cardiomyopathy, a disease that enlarges and weakens the heart muscle. Early signs may include reduced stamina, coughing, rapid breathing, fainting, or collapse, though some dogs have few signs before disease is advanced.
Hip Dysplasia and Arthritis
Their giant size and rapid growth increase risk for developmental joint disease and later arthritis. Limping, stiffness, difficulty rising, reluctance to jump, and exercise intolerance are common owner concerns.
Wobbler Syndrome
Great Danes are one of the breeds most commonly affected by cervical spondylomyelopathy, often called wobbler syndrome. Signs can include an unsteady gait, weakness, neck pain, scuffing nails, or in severe cases, sudden paralysis.
Hypothyroidism
Autoimmune thyroid disease is a recognized concern in the breed. Dogs may develop weight gain, lethargy, skin or coat changes, recurrent ear or skin problems, and cold intolerance.
Osteosarcoma
Like many giant breeds, Great Danes are at increased risk for bone cancer. Persistent limb pain, swelling, lameness, or sudden worsening after minor activity should be checked by a vet promptly.
Preventive Care Schedule
Great Danes need routine preventive care plus breed-specific screening. Follow your veterinarian's vaccine schedule for core vaccines and lifestyle-based non-core vaccines. Because giant breeds are prone to rapid growth-related orthopedic stress, Great Dane puppies should stay on a veterinarian-recommended large-breed puppy diet and be kept lean. Dental care should include daily tooth brushing when possible and regular professional dental exams and cleanings as recommended by your vet. For health screening, the Great Dane Club of America recommends baseline hip, heart, thyroid, and eye screening at about 2 years of age for breeding dogs, with heart and thyroid testing repeated every 2–3 years; echocardiography is especially recommended for adult breeding dogs. Even for pet Danes, owners should discuss hip evaluation, cardiac monitoring if a murmur, arrhythmia, fainting, or exercise intolerance develops, and emergency planning for GDV, including whether prophylactic gastropexy is appropriate at the time of spay or neuter. Call your vet promptly for gait changes, persistent lameness, abdominal distension, repeated retching, breathing changes, or unexplained lethargy.
When to Use Telehealth for Your Great Dane
Telehealth can be especially helpful for Great Dane owners because small changes can matter in a giant breed and transport is not always easy. A virtual vet visit is a good fit for reviewing early skin or coat changes that may suggest thyroid or allergy issues, discussing mild limping or stiffness before an in-person orthopedic exam, deciding whether a new wobble or nail scuffing needs urgent neurologic evaluation, monitoring appetite or stool changes, reviewing growth and nutrition questions for large-breed puppies, and planning preventive steps such as dental care, weight management, or bloat-risk reduction. Telehealth is also useful for deciding whether nighttime restlessness, mild cough, exercise intolerance, or post-exercise fatigue should be seen urgently. Do not use telehealth alone for a distended abdomen, repeated unproductive retching, collapse, trouble breathing, suspected GDV, sudden inability to walk, or severe pain—those require immediate in-person or emergency veterinary care.
Great Dane Health FAQs
Are Great Danes really at high risk for bloat?
What health tests should a Great Dane have?
How long do Great Danes usually live?
Why is my Great Dane walking wobbly?
Is pet insurance worth it for a Great Dane?
Disclaimer: The information provided in this article is for educational purposes only and does not constitute veterinary medical advice. Reading this content does not establish a veterinarian-client-patient relationship. Every pet is different — always consult a licensed veterinarian before making decisions about your pet's health, diet, or care. If you'd like personalized guidance, you can talk to one of our vets. If your pet is experiencing a medical emergency, contact your local emergency animal hospital immediately.