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Arthritis in Dogs

Photo of my dog Piglet at age 15

Pictured is my dog Piglet at age 15. Piglet had severe degenerative joint disease in both elbows. See the link to Piglet's Story below for how I managed her condition and kept her mobile for 17 years.

Also see these articles:


Disclaimer: I am not a veterinarian, nor do I have any formal training in any medical field. The information presented here is not meant to replace your vet's advice or prescribed medications, but only to suggest additional options to explore, based on your dog's condition.


Where to Start

The number of things you can try to help your dog with arthritis can seem overwhelming, so I'm going to suggest some ways to get started.

1. WEIGHT & DIET One of the best things you can do for a dog with arthritis is to keep him lean. Ideally, your dog should be quite lean, with ribs easily felt but not hip or backbones protruding. If your dog is at all overweight, start him on a weight loss program right away -- note that traditional high-carbohydrate weight loss products are not recommended. See my article on Weight Loss Diets for some guidelines on helping your dog to lose weight. Also see the section below on Supplements and Diet Guidelines for dogs with arthritis for more information, and the section on Senior and overweight dogs on my Commercial Dog Foods page.

If possible, reduce the amount of grains and starchy carbohydrates in the diet and increase the amount of protein. This can be done by feeding a better quality food, by using canned instead of dry foods, by adding fresh foods such as eggs and meat to the diet, or by feeding a  home made diet. Many arthritic dogs improve when grains are removed from the diet, but if this doesn't help your dog, you don't need to continue to avoid them.

Moderate exercise can also be good for dogs with arthritis, and can help with weight loss. See Exercise and the Treatment of Arthritis for more information.

2. GLUCOSAMINE I think all dogs with arthritis or known joint problems should be on some sort of glucosamine-type therapy. This should include oral supplements that contain glucosamine (sulfate or hcl), chondroitin sulfate, green lipped mussel (perna canaliculus), hyaluronic acid, or a combination of these. It may also include the injectable form, Adequan or Cartrophen. Since these supplements are the only things that actually help protect the joints rather than just treating the symptoms, they are a must for all dogs with joint problems. Different dogs respond differently to different supplements, so find one that works for your dog rather than relying on what has worked for others, though that may be a good place to start. Give high doses at first, so you will be able to tell if it is working. If you get results, you can try reducing the dosage to see if your dog will do well on less. If you don't get results, try a different brand. See Glucosamine and other GAGs for more information.

3. FISH OIL If I were to suggest any single nutritional supplement for dogs with arthritis, it would be fish oil (fish body oil, such as Salmon Oil or EPA oil, not cod liver oil). Fish oil provides omega-3 fatty acids that help reduce inflammation. They are beneficial no matter what type of diet you feed. Note that omega-3 fatty acids are fragile and break down quickly when exposed to light, heat or air, so just feeding a food that has omega-3 fatty acids added may not be helpful. Give as much as 1000 mg fish oil (300 mg EPA/DHA) per 10 lbs of body weight daily. Because fish oil depletes vitamin E in the body, you should also give vitamin E supplements whenever you supplement with oils of any kind. Give around 50 IUs  to a small dog, 100 IUs to a medium sized dog, up to 200 IUs for a large dog, anywhere from daily to once or twice a week. See Fish Oil (Omega-3 Fatty Acids): a Proven Treatment for Canine Arthritis for information on two studies published in the JAVMA in 2010 showing how dogs with arthritis improve when given fish oil supplements.

4. PAIN RELIEF If your dog is in pain, look for ways to relieve it naturally before turning to NSAIDs. DLPA is the first thing I would try, it made a definite difference for my dog and is very safe to use. For worse pain, consider using Tramadol, a synthetic narcotic that can also be used in conjunction with NSAIDs. I would also be trying a variety of natural anti-inflammatories, to see if any of them seem to make a difference. I'm always trying something new with my Piglet. If one supplement doesn't seem to help, I simply move on to another one when I run out. Anything that does seem to help I continue using. See the section on Chronic Pain Relief for more information on drugs used to help dogs with arthritis pain.

5. ALTERNATIVE THERAPIES Many people have reported success using acupuncture for arthritis. Unfortunately, I am not one of them, and at least in my area, acupuncture is very expensive (over $100 per visit), so it's not the first thing I would recommend trying unless you have access to it at a more reasonable rate. If your dog does respond to acupuncture, you can also consider gold bead implants, which are a form of permanent acupuncture. Chiropractic can also be helpful in many cases, although again, I have not had success with it myself. I do not recommend VOM (veterinary orthopedic manipulation), a form of chiropractic that makes unrealistic claims and in our case had no benefit at all, but other forms may be very helpful for many dogs. I am not a believer in homeopathy, but some people have reported success using homeopathic remedies for arthritis pain, including Zeel and Traumeel.

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Piglet's Story

My dog Piglet (whose picture appears at the top of this page) had surgery for elbow dysplasia on both elbows before her second birthday, followed by surgery for a ruptured cruciate at age 3. She was on daily Rimadyl/Etogesic with occasional doses of prednisone up until age 7. At that time, I switched her to a raw, grain-free diet with natural supplements. She improved so much that I was able to discontinue all medications. At age 10, she ruptured her other cruciate and again had surgery (April, 2002). It took about three months for us to build back up to her usual 2 mile daily walks, but she did extremely well, became just as active as ever, and was still on no medications for her arthritis, despite the fact that x-rays confirmed severe degenerative joint disease in both elbows. At age 11, she became lamer in one elbow, and after many months of struggling to get her back to where she had been before, I put her back on NSAIDs (Metacam). She continued to be slower than before and I had to cut back on walks because she couldn't go as far. After about a year, she improved again, and while still slower than she used to be, could  go on full length walks again at age 13. Then I discovered a very small tumor in her foot, between her toes. It was removed immediately, and when she recovered, she began taking very long walks, longer than ever before. Now, at age 14, she walks 1 1/2 to 2 hours at a time, going sometimes 3-4 miles, almost every day. I suspect that the tumor had been bothering her to walk on. It never hurts to keep looking for other possible causes of lameness, even when you know your dog has bad joints.

Here is what I have done with her:

From the age of 7 to 11, Piglet was in better shape with no medications than she had been at a younger age, and she did not slow down much at all. At age 11 1/2, her left elbow became quite a bit worse, and she began slowing down. In general, she has been very active and fit, but our walks decreased from an hour a day, to half an hour a day, down to 15 minutes on bad days, at age 12 1/2. She then improved again (I think she had injured her left elbow and it gradually got better), and at age 13, she went back to about 45 minutes a day. At age 14, following surgery to remove a small tumor, she began taking longer walks than ever. She slowed down again at age 15, but then gradually improved following shock wave therapy. Moderate exercise is good for dogs with arthritis, as long as you don't overdo it (tired muscles make for lax joints, which is not good).

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Surgical Options

There are email lists called OrthoDogs and CanineHD at Yahoo Groups that offer additional information about surgery for joint problems. Also see AbleDogs and Dodgerslist for dogs with back problems. There is a list called TPO that talks about surgical options for hip dysplasia and cruciate ligament repairs (also see the site at http://www.lauriebryce.com/tplo/ for a great deal of information and links about orthopedic surgery).

Note I am not advocating TPLO surgery for cruciate ligament injuries (and that is not what I had done on Piglet) -- it works well for some dogs, but I've heard of others where the joint doesn't heal properly and the dog is worse off than before. The skill of the surgeon may be a factor. Strict activity restriction is required, and failure to do so may contribute to complications. I have also heard reports, both directly and indirectly, of dogs developing bone cancer following this surgery, as well as other long-term complications. Removal of all implants six months to a year following the surgery may help to reduce this risk. I would seriously consider TPLO surgery for large, active dogs, but probably not for smaller or less active dogs, for whom conventional surgery seems to work well. See TPLO Awareness for more information. Also see Tibial Plateau Leveling Osteotomy - TPLO for a good overview. There are other forms of leveling osteotomies available as well, such as TTA (tibial tuberosity advancement). See TPLO vs. TTA for Cranial Cruciate Ligament Repair  for more information.

MSU has recently begun offering arthroscopic cruciate ligament (knee) surgery for dogs. This is combined with traditional cruciate repair, involving sutures to stabilize the knee.

There is a new cruciate surgical procedure developed in 2006 at the University of Missouri, called TightRope, named after the rope-like material used to link the two bones in the knee joint. While the material used is new, the procedure is similar to traditional extracapsular cruciate repair surgery, not like TPLO or TTA, which cut the bones. TightRope is considered an easier procedure than TPLO or TTA, especially for a general practitioner (as opposed to a surgical specialist). While the TightRope procedure is relatively new, the results look quite promising. It is more costly than traditional repair, but less expensive than TPLO and similar leveling osteotomy procedures. See the following for more information:

One Pro’s Take on Orthopedic Advances (quotation from a surgical specialist in November 2012): "When I came to OSU 19 years ago, TPLO surgery for cruciate disease was just starting to be talked about. Cruciate repair was mostly done by lateral suture, essentially mimicking the action of the anterior cruciate ligament,” Rochat recalled. “Cruciate repair surgery is now largely TPLOs. Another procedure, tibial tuberosity advancement, is a new alternative that is purported to be easier to do, with fewer complications, yet the evolving literature doesn’t totally support that.
“Nevertheless, while the general subjective experience is that TPLO works very well, what little objective science there is still leaves us questioning that,” Rochat continued. “Properly done, a lateral suture stabilization technique [the older style of cruciate surgery] can yield good results. Again, the quest for accurate, unbiased evidence for the best solution for cranial cruciate ligament disease continues."

If your dog has orthopedic surgery, there are a couple of things you should be aware of that your vet may not be current on. The first is pain management, see my my section on Pre- and Post-Op Care for more information (I also have links at the bottom of that section to braces, slings and carts). Also ask about using intra-articular injections of either bupivacaine or morphine during surgery, which has been shown to provide more pain relief in the first 24 hours after surgery (see Postoperative analgesia for stifle surgery: a comparison of intra-articular bupivacaine, morphine, or saline).

The second is that recent research shows that it is important to start doing physical rehabilitation right away, at least in the case of knee surgery, rather than waiting six weeks. Contact me privately if you want a copy of the rehab instructions the surgeon gave me when Piglet had her second knee surgery in 2002. See The American Association of Rehabilitation Veterinarians to locate a rehab specialist in your area. Also see Physical Therapy for Pets for an overview of how important this type of therapy can be following an injury.

Conservative management may be tried in place of surgery if your dog has a cruciate ligament (knee) injury. If no improvement is seen within six to eight weeks, you should then move on to surgery. It is imperative that activity be limited during this time. It is my opinion that a ruptured cruciate will do better with surgery than without, but if there is any doubt about the diagnosis (which cannot be done via x-ray alone), then it may make sense to wait. As long as activity is restricted, no harm should come from waiting for up to two months. See Treating Canine Ligament Injury Without Surgery for more information. Also see How to Confirm Partial ACL Tear for some technical information on how vets try to confirm ACL injuries and differentiate between hip and knee pain. There is a Yahoo Conservative Management group for discussing this option with others. Consider a stifle (knee) brace, such as those from OrthoPets, to help protect the knee and prevent reinjury during the recovery period (see Braces, Splints, Orthotics and Prosthetics for more options).

Changing Views On CCL Repair, written by a well-known vet who practices "Integrative Pain Medicine and Natural Healing," talks about the use of Prolotherapy for treating cruciate ligament laxity (looseness), but I don't know whether it would help with a torn ligament, and it's hard to find a vet who does it. Also see Questioning Canine Cruciate Ligament Surgery, by the same author, which presents a hodgepodge of arguments against surgery, though the information is scattered and appears to apply primarily to TPLO, not other forms of cruciate ligament repair. For example, she says, "about half of Labradors rupture the contralateral CCL [cruciate ligament in the opposite leg] within six months after tibial plateau leveling osteotomy [TPLO]," but she does not compare this to rates of injury for other forms of therapy, which makes the statistic meaningless, at least in terms of trying to decide between treatment modalities. The same author collaborated with others on a third article, Treatment Options for Canine Cruciate Disease, which supports surgery in most cases, particularly for dogs over 15 kg (33 pounds), but also suggests laser therapy, acupuncture, and other modes of physical rehabilitation either after surgery, or in place of surgery if surgery cannot be done (see Other Therapies for more information on these modalities).

See Other Therapies above for more information on rehabilitation following injury or surgery. Also see Post Surgical Aids for information on a variety of devices that may be helpful, including e-collar alternatives, slings, braces, support harnesses, and more.

The University of Tennessee is studying "The effect of diet on muscle atrophy following surgery for cranial cruciate ligament rupture." The study is ongoing as of September, 2009.

The University of Florida performed its first total knee replacement surgery in a dog in 2012. They are seeking additional dogs with severe osteoarthritis in the knee for a clinical study on total knee replacements for dogs. See First canine total knee replacement at University of Florida a success for more information.

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Links to More Information

Three articles on pain management by Christie Keith:

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If you have any questions or comments, you can contact me, but I have less time to answer questions than I used to, and it may be several days to a week before I can respond. My name is Mary Straus and you can email me at either or

   


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