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How Hydration Supports Joint Health in Dogs
- Kristina Voltin
- Jun 9
- 11 min read
Did you know proper hydration can make a big difference in your dog’s joint health? Keeping your dog hydrated is essential for maintaining joint lubrication, reducing pain, and preventing stiffness. Here’s why it matters and what you can do:
- Water keeps joints lubricated: Synovial fluid, which cushions and lubricates joints, is 80% water.
- It reduces stiffness and pain: Dehydration can worsen arthritis and joint discomfort, especially in older dogs.
- Hydration supports muscles and ligaments: Well-hydrated tissues act as shock absorbers, easing strain on joints.
How much water does your dog need? About 1 ounce of water per pound of body weight daily. For a 50-pound dog, that’s roughly 50 ounces.
To keep your dog hydrated:
- Provide fresh water daily in clean bowls.
- Add water-rich foods like cucumbers or low-sodium broths to meals.
- Use pet water fountains to encourage drinking.
Hydration isn’t just about quenching thirst - it’s a simple way to keep your dog active, comfortable, and healthy.
Why moisture is important in pet food
How Water Helps Your Dog's Joints Work Properly
Did you know a dog's body is about 70% water? This hydration is vital for keeping their joints moving smoothly and pain-free, playing a key role in overall joint health and comfort [5].
Water Keeps Joint Fluid Working
One of the most direct ways water supports your dog's joints is through synovial fluid - the slippery substance that lubricates the space between bones. For this fluid to work effectively, proper hydration is essential [6].
When your dog moves, synovial fluid is produced, creating a slick barrier that minimizes friction between bones. This not only reduces pain but also prevents stiffness. Without enough water, this natural lubrication system struggles to function, leading to discomfort and restricted movement.
"Water helps reduce friction, pain, and stiffness in the joints by lubricating them. Hydration becomes very important for older dogs as they experience these joint issues more often." - Dogsee [5]
Beyond just lubricating the joints, staying hydrated also helps maintain the flexibility of tissues surrounding the joints, ensuring smoother, more comfortable movement.
Hydration Keeps Muscles and Ligaments Flexible
Water doesn’t just benefit the joints - it keeps muscles, tendons, and ligaments flexible too. Dehydration can cause these tissues to stiffen, which increases strain on the joints. This is especially concerning for dogs with arthritis, as stiff supporting tissues can worsen their discomfort and increase the risk of injuries during daily activities.
"Providing your dog with a steady supply of cool, freshwater is one of the easiest (not to mention cheapest) things you can do to promote healthy joints." - James St. Clair, Veterinary Surgeon, TopDog Health & Rehabilitation [1]
When muscles and ligaments are well-hydrated, they act as a natural shock absorber, reducing the impact on your dog’s joints and easing the strain during movement.
Why Hydration Helps Dogs with Arthritis
For dogs with arthritis, staying hydrated is more than just a comfort - it’s a necessity. In the United States, one in four dogs suffers from arthritis, and up to 80% of senior dogs show signs of this condition [7]. Proper hydration helps manage these symptoms by maintaining joint elasticity and lubrication [2].
When a dog is well-hydrated, their synovial fluid stays at the right consistency, minimizing friction between cartilage surfaces. This can significantly reduce pain and make movement less of a struggle.
For arthritic dogs, hydration can be the difference between a day of stiffness and discomfort and a day where they move with greater ease and comfort.
What Happens When Dogs Don't Drink Enough Water
When dogs don't get enough water, their bodies struggle to keep joints properly lubricated, which is essential for smooth, pain-free movement. Even mild dehydration can take a toll on their joint health.
How to Tell if Your Dog is Dehydrated
Spotting dehydration early can help prevent more serious joint problems. The signs can range from subtle to severe, so it's important to know what to look for.
- Mild dehydration may show up as a dry nose, sticky gums, excessive drooling, and lethargy [10]. Your dog might seem less playful or energetic than usual.
- Moderate dehydration brings more obvious symptoms. One reliable test is checking skin elasticity: gently pinch the skin on your dog's shoulder blade and let go. If the skin doesn't snap back immediately, your dog could be dehydrated [9]. You might also notice a lack of appetite, thick saliva, and dry gums [8][10].
"It's a good idea to first test your dog's skin when you are sure he's well-hydrated so that you have a base for what normal skin elasticity feels like." - Dr. Jerry Klein, Chief Veterinary Officer for the AKC [8]
In March 2024, Dr. Klein emphasized that pet owners should watch for key dehydration signs like reduced skin elasticity, low energy, panting, and sticky gums. These symptoms not only indicate dehydration but also signal potential joint discomfort.
Dehydration Makes Joints Hurt More
When a dog doesn't drink enough water, joint friction increases, which is especially concerning for the 65% of dogs over seven years old who develop arthritis [12]. Without proper lubrication, mild joint discomfort can escalate into significant pain.
"Proper hydration is key for keeping joints adequately lubricated, allowing them to move and flex as needed. Dehydration can lead to stiff tendons and ligaments, which can cause heightened pain in arthritic dogs and increase the risk of injury." - TopDog Health [1]
Dehydration also affects the tissues around the joints - muscles, tendons, and ligaments. These structures usually act as shock absorbers, but when they stiffen due to lack of water, they can't cushion the joints effectively, adding extra strain to already vulnerable areas.
Long-Term Joint Damage from Poor Hydration
Chronic dehydration doesn't just cause temporary pain - it can lead to lasting damage. When joints aren't properly lubricated, friction increases, speeding up cartilage wear and bone deterioration.
"When your dog is dehydrated, their body loses more water than it's taking in... Additionally, an imbalance occurs with the body's electrolytes (sodium, chloride, and potassium) that affects the ability of the muscles and internal organs to function properly." - Dr. Heather Berst, Cross Brand Medical Lead with Zoetis [11]
This imbalance can harm vital organs like the kidneys, liver, and heart [4], triggering a chain reaction of health issues that further impact mobility and overall well-being.
Dehydration often creates a vicious cycle: joint pain reduces a dog's activity and water intake, which only worsens their joint problems. To break this cycle, it's crucial to ensure your dog drinks enough water daily - about one ounce per pound of body weight [8][9].
Recognizing how dehydration affects both short-term comfort and long-term health lays the groundwork for practical strategies to keep your dog hydrated and healthy.
Simple Ways to Keep Your Dog Hydrated
Keeping your dog hydrated is essential for their overall health, including maintaining healthy joints and proper body functions. A few simple adjustments to their daily routine can make a big difference.
Make Fresh Water Easy to Access
Did you know a 50-pound dog needs about 25–50 ounces of water each day? Of course, this amount can vary depending on their activity level and the environment. To encourage hydration, place water bowls in multiple spots where your dog spends time - near their favorite nap spot, by the back door, or in the living room. Opt for stainless steel or ceramic bowls instead of plastic, as plastic can scratch easily, trapping bacteria and altering the taste of the water. Some dogs might even prefer filtered or bottled water over tap water [13][15].
Make it a habit to refresh their water daily and wash the bowls thoroughly to keep them clean. Consider using a pet water fountain - it can make drinking more appealing for your dog. If your pup needs a hydration boost, you can also add water-rich ingredients to their meals.
Add Water-Rich Foods and Broths to Meals
If your dog doesn’t drink much from their bowl, try sneaking extra moisture into their diet. Adding a splash of low-sodium broth or unsalted tuna water to their food can make it more enticing. Just avoid anything with added sugars, salt, or artificial flavors [13]. You can also offer hydrating treats like watermelon, strawberries, or cucumbers, which provide both water and nutrients [15].
For a fun and refreshing option, freeze low-sodium broth or plain water in ice cube trays and serve as a treat. If your dog eats dry kibble, simply mixing in some water can increase their moisture intake - kibble typically contains only about 10% moisture [14]. These small changes not only help with hydration but also support joint health.
Add Water to Freeze-Dried Dog Food
Rehydrating freeze-dried dog food is another fantastic way to increase your dog’s water intake while offering a nutritious meal. Adding water makes the food easier to chew and digest, which is especially helpful for dogs with dental issues [17]. To rehydrate, mix the freeze-dried food with water in a 1:1 ratio and let it sit for 15–20 minutes. This method is particularly useful for dogs that don’t drink enough water, as it can help reduce the risk of digestive problems [17]. Always check the feeding guidelines on the package and adjust portions based on your dog’s weight, age, and activity level [16].
For example, Loyal Saints freeze-dried raw dog food is an excellent choice for this approach. Made with human-grade, all-natural ingredients, it provides balanced nutrition for dogs of all life stages. When rehydrated, it becomes more flavorful and easier to eat, while also boosting moisture intake to support joint lubrication [19].
Diet and Lifestyle Tips for Healthy Joints
Keeping your dog’s joints in good shape requires more than just hydration - it’s about combining the right foods, exercise habits, and expert advice. These elements work hand in hand to support joint health, helping your furry friend stay active and comfortable.
High-Quality Food for Joint Support
What you put in your dog’s bowl can make a big difference in their joint health. A diet rich in high-quality protein and essential nutrients like Omega-3 fatty acids, glucosamine, chondroitin, and antioxidants helps maintain muscle mass and keeps joints functioning smoothly. Just as water keeps joints lubricated, these nutrients strengthen and protect them.
- Omega-3 fatty acids are particularly effective in reducing inflammation. Research shows that EPA and DHA, two key Omega-3s, can significantly decrease inflammation in dogs with osteoarthritis. In fact, dogs on an anti-inflammatory diet experienced a 30% reduction in pain behaviors within three months [3][20].
- Glucosamine and chondroitin are part of a group of compounds known as glycosaminoglycans (GAGs), which are essential for joint and connective tissue health. Studies reveal that 70–80% of dogs with joint issues see improved mobility within 2–3 months of supplementation [3].
- Antioxidants help fight oxidative stress and inflammation, two major contributors to joint problems.
Brands like Loyal Saints offer freeze-dried raw dog food packed with human-grade, natural ingredients. These high-protein formulas provide balanced nutrition without fillers or artificial additives, which can trigger inflammation and worsen joint pain. Additionally, managing your dog’s weight is crucial. Overweight dogs are more than twice as likely to develop conditions like intervertebral disc disease (IVDD) [3]. Since a large portion of the immune system resides in the gut, feeding quality food also supports digestion and helps control inflammation.
Extra Water During Exercise and Hot Days
Staying hydrated is especially important for active dogs or during warm weather. Exercise and high temperatures can double a dog’s water needs [18]. To keep your dog hydrated during activity, offer small sips of water every 15–20 minutes, especially in hot or humid conditions. This prevents overdrinking while maintaining joint lubrication. After exercise, wait until your dog has calmed down and stopped panting heavily before allowing them to drink more.
For summer outings, bone broth is a great way to boost hydration. Serve it as a standalone treat, pour it over meals, or freeze it into ice cubes for a refreshing snack. Moisture-rich foods like wet food, fresh veggies, or hydrating broths can also help balance your dog’s fluid levels [21]. When heading out for walks or hikes, always carry a collapsible water bowl and bottled water, and consider adding ice cubes to your dog’s water bowl at home for an extra cooling effect.
Work with Your Vet for a Custom Plan
Every dog is different, and their joint health needs can vary widely. That’s why consulting your vet is so important. With 80% of dogs over 8 years old experiencing joint issues [23], professional guidance can help you create a tailored plan that evolves with your dog’s needs.
Your vet can recommend the ideal weight for your dog and suggest specific supplements, like glucosamine, chondroitin, Omega-3s, and vitamins C and E, to support their joints [22]. They can also help you set hydration goals based on your dog’s size, activity level, and health. If food allergies are contributing to inflammation, your vet can help identify them and suggest alternative diets. Feeding schedules can also be optimized to ensure your dog gets the most out of their meals and stays properly hydrated.
Regular check-ups are key to adjusting your dog’s joint care plan as they age or if their activity levels change. By working closely with your vet, you can ensure that hydration, nutrition, and lifestyle choices all come together to keep your dog’s joints healthy and strong.
Conclusion: Make Hydration a Priority for Joint Health
Keeping your dog hydrated is one of the simplest yet most effective ways to support their joint health. When your dog drinks enough water, their cartilage stays flexible and cushions their movements, while their muscles and ligaments maintain the elasticity needed for smooth, comfortable mobility. It’s a reminder that every sip makes a difference.
Pairing proper hydration with a nutritious diet takes joint care even further. Ensure your dog always has access to fresh water, incorporate moisture-rich foods into their meals, and consider premium options like freeze-dried raw food from Loyal Saints. Remember, your dog’s water needs increase with activity and warmer weather.
Supporting hydration doesn’t have to be complicated. Keep fresh water available in multiple spots around your home, add moisture to their meals, and offer hydrating treats. Don’t wait for joint problems to arise - whether your dog is a bouncy puppy or an older companion managing arthritis, staying hydrated is key to their overall health and comfort.
FAQs
How can I tell if my dog is hydrated, and why is hydration important for their joint health?
You can check your dog’s hydration levels with a quick skin elasticity test. Gently pinch a small section of skin on their back or neck and let it go. If the skin snaps back into place quickly, your dog is likely well-hydrated. Another way to check is by looking at their gums - they should be moist and pink. Dry or sticky gums can indicate dehydration. Watch out for other signs like lethargy, a dry nose, sunken eyes, or excessive panting.
Staying hydrated is especially important for your dog’s joint health. Water helps keep their joints lubricated, making movement easier and more comfortable. Without enough water, your dog may experience stiff joints, which can aggravate issues like arthritis. Proper hydration also supports digestion, temperature control, and overall mobility, ensuring your dog stays healthy and active.
How can I encourage my dog to drink more water if they’re not interested?
Ensuring your dog stays properly hydrated is key to their overall well-being, including keeping their joints healthy. If your pup isn’t drinking enough water, here are a few easy ways to encourage them:
- Keep water fresh and easy to reach: Always refill their bowl with clean, fresh water daily. For larger homes, place multiple bowls in accessible spots so they can hydrate whenever they need to.
- Make it more enticing: Try adding a splash of low-sodium chicken broth or toss in a couple of ice cubes. Many dogs find this irresistible and are more likely to take a sip.
- Add water to their meals: Mix a bit of water into their dry kibble or serve wet food to naturally increase their water intake.
- Encourage with rewards: Whenever your dog drinks water, offer praise or a small treat to reinforce the habit.
It’s especially important to keep an eye on hydration during hot days or after exercise to avoid dehydration. If you’re worried about your dog’s water consumption, don’t hesitate to reach out to your veterinarian for personalized guidance.
How does staying hydrated enhance the benefits of joint supplements like glucosamine and Omega-3s for dogs?
Proper hydration plays a big role in keeping your dog's joints healthy, especially when combined with supplements like glucosamine and Omega-3 fatty acids. Water helps your dog's body produce synovial fluid, which lubricates the joints, reduces friction, and makes movement smoother - something that's especially important for dogs dealing with arthritis or joint pain.
Glucosamine helps repair cartilage and supports the balance of synovial fluid, while Omega-3s are known for their ability to ease inflammation. These supplements perform even better when your dog stays properly hydrated. Water not only helps with nutrient absorption but also keeps cartilage flexible and in good condition. Making sure your dog drinks enough water every day is a simple but essential step to help these supplements do their job and keep your pup's joints healthy and comfortable.
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