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| Ruby seems comfortable now - her belly was shaved for an ultrasound. |
Once again I have been MIA on by blog, but again it was for a good reason. My old dog Ruby had a health issue relapse, and I have been working hard to get her back to good health. Fortunately she does seem to be recovering, and I thought this would be a good time to let everyone know what has been happening and how I think we have finally figured out why she was getting sick.
In early October Ruby had a bout of severe pancreatitis, which required several days on IV fluids at the vet hospital. She also developed a secondary abdominal infection which prolonged her stay and meant she had to be on two different types of antibiotics. She has had slightly elevated liver values for a few years and is on a prescription low-fat diet, but the pancreatitis sent those values soaring and it took a while to get them to start coming down.
I brought her home and for a few weeks she seemed to be doing well, but in early November she had a relapse. Of course this happened on a Sunday when her regular vet office is closed, so I had to rush her to an emergency vet 45 minutes away. She spent the night there and they were afraid her gall bladder might rupture but fortunately she made it through the night and I transferred her to her regular vet. There they did an ultrasound and decided that her gall bladder was not in danger of rupturing, but several of her blood values (liver, pancreas, and gall bladder) were even higher than the first time. Once again she spent several days on IV fluids (the only treatment for pancreatitis is supportive care which cannot be given at home). She finally came home the week before Thanksgiving, and she has been slowly but surely improving ever since. In fact, she is pretty much back to normal now, although her blood values need to be checked again in a few days to see if they have come down more.
So why did she have the initial attack of pancreatitis, and why did it recur? The vets could find no significant problems - they even did a liver biopsy to rule out cancer and the result was negative. As I mentioned above, Ruby's liver values have been slightly elevated for a few years. We found her as a stray and I am not sure but I think she may have been hit by a car before we found her - not a direct hit but a glancing blow. She had a cracked molar on the right side which had to be removed, and has developed significant arthritis in her right elbow as she has aged. The liver is on the right side of the body and any trauma to the liver is known to affect its function, which may be why her liver does not function completely normally.
With no obvious cause for the pancreatitis, I started to double check everything that Ruby ingests in a normal day - all foods, treats, medications, and supplements - and I began to suspect her fish oil supplement. This was the most recent addition to her diet (she has only been on it for a few months), and was recommended by the vet as the omega-3 fatty acids are thought to be beneficial in reducing her arthritis pain as well as for her liver issues. What they did not tell me, however, was that too much fish oil is actually harmful and can cause pancreatitis in dogs with compromised liver function. A few days after I started her back on her fish oil supplement after the first bout of pancreatitis she had her second attack - nothing else new had been added to her diet in over a week, so that in itself was suspect.
The more I read about fish oil supplements for dogs the more I became convinced that the dosage recommended for a dog her size was actually too much for her, especially since her prescription food also contains fish oil. I walk my younger dog with a neighbor and her dogs, and when I mentioned my suspicions about Ruby's fish oil supplement to her, she told me that she had tried to give fish oil supplements to her two older dogs, both of whom had normal liver function, and both of them subsequently developed high blood liver values which went back to normal when she took them off of the supplement.
Needless to say, I will no longer be giving Ruby any more fish oil! I mentioned my suspicions to her vet and they were non-commital as they had never encountered such a problem before, but Ruby is doing so well right now minus the fish oil in her daily diet that I am convinced this was the main culprit. Usually when I start Ruby on a new medication or supplement I research it carefully and try to start her out on a half dose rather than the full dose, but for some reason I did not do this with the fish oil - how I wish I had!
My recommendation to anyone who is thinking of putting their dog on a fish oil supplement is to be sure that your dog really needs it. Also, remember that some pet foods have added fish oil, so you may want to lower the dosage you use. If you want to try it, make sure your dog's liver function is normal, and try starting with a half dose (I believe that most dosage recommendations for supplements are on the high side - after all, the makers of these products would like you to use as much as possible).
If you see no improvement in your dog's health and/or if their liver values start to increase, take them off of this supplement. My neighbor tried switching to an omega-3 supplement that was not fish oil-based for her dogs, and they are doing fine on that. I am certainly no expert, so do your research before making a decision for your own dog - you know your pup better than anyone, so when it comes to supplements in particular you are in the best position to make any decisions.
Hopefully with careful attention to her diet Ruby will have no more problems with pancreatitis - it is a very painful condition and can lead to complications, so I will be doing my best to make sure it does not happen again. I hope everyone had a great Thanksgiving and I hope that December will be a better month for Ruby so that I can get some more posts done before the end of the year!
