Hydrotherapy for dogs is simply water-based physical therapy. Your dog moves in warm water, usually in a pool or special treadmill, while a trained therapist guides each step.
More vets in 2025 suggest hydrotherapy because it helps dogs stay active without adding stress to sore joints. It can ease pain, protect aging hips and knees, support healing after surgery, and help with steady weight loss. Many dogs also relax and brighten up when they find they can move with less effort.
If you want your dog to feel better and move more easily, hydrotherapy is worth a closer look.
Key Takeaways:
What Hydrotherapy Is
Hydrotherapy is water-based physical therapy where dogs exercise in warm water, often guided by a trained therapist. It combines the support of water with gentle resistance to improve mobility.
Supports Joint Health
Buoyancy reduces pressure on hips, knees, and spines, easing pain for dogs with arthritis or joint stiffness and allowing smoother, fuller movements.
Aids Post-Surgery Recovery
Dogs recovering from orthopaedic surgery, ligament injuries, or back problems can safely strengthen muscles and regain coordination without stressing fragile joints.
Safe Exercise for Overweight Dogs
Water workouts burn calories and build lean muscle while minimising strain on joints, helping overweight dogs lose weight safely.
Improves Muscle Strength and Flexibility
Water resistance works muscles in multiple directions, enhancing strength, balance, and joint flexibility in a controlled environment.
Enhances Cardiovascular Health
Swimming and underwater treadmill sessions provide a low-impact cardiovascular workout, improving stamina and overall fitness.
Boosts Mood and Reduces Anxiety
Many dogs become calmer and more content during hydrotherapy, enjoying the soothing warmth of water and positive human interaction.
Tailored to Each Dog
Therapists adjust water depth, speed, and session duration to match your dog’s size, age, fitness level, and comfort, ensuring safe and effective exercise.
Ideal for Various Dogs
Beneficial for senior dogs, dogs with hip or elbow issues, overweight dogs, dogs with spinal or nerve problems, and active working or sport dogs needing joint-friendly conditioning.
Vet-Approved and Safe
Hydrotherapy should always be supervised by certified professionals and discussed with a veterinarian to ensure safety, especially for dogs with heart, respiratory, or skin issues.
What Is Hydrotherapy for Dogs and How Does It Work?
According to the American Kennel Club’s overview of hydrotherapy for dogs, this type of therapy uses the natural support and resistance of water to create safer exercise. Sessions are usually run by a certified rehab therapist or trained veterinary team.
The key idea is simple. Water lifts some of your dog’s body weight and softens each step. At the same time, your dog has to push through water, which gently works the muscles. This mix can improve strength, comfort, and range of motion while protecting sore or recovering joints.

Simple explanation of canine hydrotherapy
In canine hydrotherapy, your dog works in warm water, often between chest and shoulder height. The warmth helps tight muscles relax and can lower joint stiffness.
Because the water supports the body, each step or stroke has less impact than walking on land. Dogs who cannot manage long walks or running can still get a safe workout in the pool or underwater treadmill. For breeds with unique needs, such as French Bulldogs, you can also learn how they may serve as service dogs and what special considerations they require here.
Types of hydrotherapy sessions your dog might have
Common session types include:
- Swimming sessions in a pool, sometimes with a life jacket and therapist support.
- Underwater treadmill walks, where water height and belt speed are adjusted.
- Gentle range of motion work, where the therapist moves the limbs in water to keep joints flexible.
During each visit, the therapist watches how your dog moves, then adjusts time, speed, and water depth to match comfort and fitness.
Key Health Benefits of Hydrotherapy for Your Dog
Less joint pain and better movement for stiff or arthritic dogs
For arthritic dogs, buoyancy reduces pressure on sore hips, knees, and spines. Studies and rehab centers, such as those that explain hydrotherapy for dogs with arthritis, note that this support allows fuller, smoother steps.
Warm water can also increase blood flow and lower muscle tension. Many senior dogs stand up more easily, slip less, and move with a looser, more natural stride after several sessions.

Faster, safer recovery after injuries or surgery
Hydrotherapy is often part of rehab plans after joint surgery, cruciate ligament tears, or back problems. Water lets your dog work the muscles around healing areas without placing full weight on fragile joints or bones.
This helps maintain strength and coordination while tissues heal. When sessions follow your vet’s schedule, they can support a safer, steadier return to normal walks and play.
Gentle weight loss and stronger muscles for overweight dogs
Extra weight strains joints and the spine. In water, your dog can burn calories without pounding on already stressed legs and feet.
Water resistance makes muscles work in every direction. Over time, this builds lean muscle, which supports the hips and back and can make daily walks, stairs, and play feel easier.
Better heart health, stamina, and mood
Regular swimming or walking in water challenges the heart and lungs in a controlled way. Fitness and stamina often improve, even in dogs that cannot tolerate much land exercise.
Many owners also notice mood shifts. Anxious or bored dogs may seem calmer and more content after sessions. Once they feel safe, many dogs genuinely enjoy the attention and the soothing feel of warm water.
Is Hydrotherapy Right for Your Dog?
Health issues and life stages that benefit the most
Hydrotherapy can help many dogs, such as:
- Senior dogs with arthritis or general stiffness
- Dogs with hip dysplasia or elbow problems
- Dogs recovering from orthopedic surgery
- Dogs with some spinal or nerve issues
- Overweight dogs who need low impact exercise
- Working and sport dogs that need conditioning without extra joint strain
If your dog fits any of these groups, a structured water program may be a strong support.
Safety tips and how to get started with a vet or therapist
Always talk with your vet before booking a session. Dogs with serious heart disease, open wounds, severe breathing problems, or active infections may not be safe in the water.
Look for a certified canine rehab or hydrotherapy center, and ask to tour the pool or treadmill area. Clean water, non slip floors, and proper safety gear are important. Start with short, closely supervised sessions tailored to your dog’s size, age, and current fitness. Resources like this fact sheet on hydrotherapy benefits can also help you prepare good questions for your vet.

Helping Your Dog Move Comfortably Again
Hydrotherapy offers your dog a way to exercise with less pain, better joint comfort, and safer movement. Warm water support can aid recovery, support gentle weight loss, and brighten mood at the same time.
If your dog seems stiff, sore, or slow to get up, bring up hydrotherapy at your next vet visit. A small step now, like one well planned session, can help your dog stay active, comfortable, and happy for many more walks and play sessions with you.
Faqs:
1. What is hydrotherapy for dogs?
Hydrotherapy is a type of water-based physical therapy where dogs exercise in warm water, often guided by a certified therapist. The water supports their body weight while providing gentle resistance, helping improve strength, mobility, and comfort without stressing the joints.
2. How does hydrotherapy help dogs with arthritis?
For arthritic dogs, hydrotherapy reduces pressure on painful joints, allowing smoother, more comfortable movements. Warm water can also relax muscles and increase blood circulation, which can help decrease stiffness and improve overall mobility.
3. Can hydrotherapy help dogs recover after surgery?
Yes. Hydrotherapy is often part of rehabilitation after orthopedic surgery, ligament injuries, or back problems. It allows dogs to strengthen muscles and regain coordination while protecting healing joints and bones from excessive stress.
4. Is hydrotherapy safe for overweight dogs?
Absolutely. The buoyancy of water supports the dog’s weight, allowing them to burn calories and build lean muscle without putting extra strain on joints or the spine. This makes it a safe and effective method for weight loss and conditioning.
5. What types of hydrotherapy sessions are available?
Common types include swimming sessions, underwater treadmill walks, and gentle range-of-motion exercises. Therapists adjust water depth, speed, and duration according to each dog’s size, fitness level, and comfort to ensure safe and effective therapy.
6. How often should my dog do hydrotherapy?
The frequency depends on your dog’s condition, age, and fitness goals. Many dogs start with 1–2 sessions per week, and a vet or certified therapist may adjust the schedule as the dog’s strength, mobility, and stamina improve.
7. Can hydrotherapy improve my dog’s mood?
Yes. Many dogs become calmer and more content during and after sessions. Warm water and low-impact exercise help reduce anxiety, boredom, and discomfort, making dogs more relaxed and happy over time.
8. Are there any risks associated with hydrotherapy?
Hydrotherapy is generally safe when supervised by trained professionals. However, dogs with serious heart disease, respiratory problems, open wounds, or infections may not be suitable candidates. Always consult a veterinarian before starting hydrotherapy.
9. How do I choose a hydrotherapy center?
Look for certified canine rehab or hydrotherapy centers with clean pools or treadmills, non-slip floors, and experienced therapists. Ask to tour the facility, observe sessions, and ensure proper safety protocols are followed.
10. How soon will I see results from hydrotherapy?
Results vary depending on the dog’s age, condition, and consistency of sessions. Many dogs show improved mobility, reduced stiffness, and increased comfort within a few weeks, while others may require longer therapy for optimal benefits.



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