Possible Causes of Senior Dog Appetite Problems

Problems tend to crop up more frequently as our dogs age. Sometimes . This typically takes the form of a decreased interest in eating, or a complete lack of appetite (also called inappetence or anorexia), but occasionally old dogs will seem hungrier, too. Here are some reasons why a change in appetite can occur in older dogs.

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Pain

Aches and pains can cause pets to lose their appetites simply because they don't feel well. It can also make it harder for pets to get to their food bowls on their own; and even if they're able, they may not do so because it hurts too much.

A common cause of pain in senior dogs is like arthritis. Ask your vet to assess your dog; supplements like glucosamine really help some dogs (and if your dog doesn't take pills easily, try a glucosamine 'treat' like Glyco-Flex Soft Chews for Dogs). Others may need to take anti-inflammatory or pain medication.

Senior dogs may find it more difficult to bend down as they get older and their joints deteriorate. An elevated feeder can make mealtimes easier on them.

Medical Conditions, Illness, and Drugs

Some types of illnesses (or the drugs used to treat them) can cause nausea, making the pet uninterested in eating. Examples include , kidney disease, and sometimes dogs undergoing chemotherapy for cancer.

Not all medical conditions cause inappetence, though; is one example that can cause dogs to have voracious appetites. Certain drugs can also increase appetite.

Decreased Mobility

As dogs get older, they can develop health conditions that decrease their mobility. Examples include arthritis and . Dogs who find it hard to move around on their own will also find it hard to get to their food bowls - even if they want to eat. Place the bowl within easy reach of your dog, and invest in a bowl with a weighted bottom so that they can't knock it over.

For more tips on how to help aging pets, check out our buying guide for Products That Improve the Lives of Senior Pets.

Dental Disease and Mouth Problems

Loose teeth, abscesses, inflamed gums, or sores in the mouth can all make eating uncomfortable or even downright painful. Most of us don't often look in our dogs' mouths... but if your dog seems to be reluctant to eat, or picks up food and drops it, or seems to have trouble chewing or swallowing, it's time to investigate further. Check your dog's teeth, gums, and mouth to see if there are any obvious sores, redness or inflammation, or loose teeth. A trip to the vet can also be helpful because the they know what to look for, including any sort of obstruction that's preventing the dog from eating properly. Keep your dog in good dental health with regular cleanings, by brushing their teeth and even using dental sprays, gels, or water additives in-between cleanings.

It's much easier to keep a pet's teeth in great condition when working from a clean slate. Pets may be due for a professional dental cleaning at the vet clinic... and once that's done, regular brushings can help keep the teeth clean and hopefully prevent (or at least delay) the need for another dental.

Dehydration

Dehydration can lead to generally feeling 'unwell'. It can also lead to depression. Any dog can become dehydrated. Common reasons that can make dogs more prone to dehydration include illness; decreased mobility; heatstroke; and persistent vomiting or . Sometimes dogs also simply do not drink enough. Something like a pet drinking fountain can help spark their interest and encourage them to drink more.

If you gently pull up the skin between your dog's shoulder blades and then let go, the skin should normally settle back into place quickly. If it doesn't, that could be a sign of dehydration. Other symptoms include 'tacky' gums (instead of slippery) and thick saliva.

The vet can give your dog fluids subcutaneously to help him feel better quickly. Once your dog feels better, he will hopefully regain an interest in eating. Dogs who keep getting dehydrated (and an underlying cause cannot be found or corrected) may need fluids regularly. Your vet can show you how to do this at home if need be.

Reduced Cognitive Ability (Senility or Dementia)

Older dogs can become senile just like people can. As strange as it sounds, they may forget to eat or simply lose interest. A veterinarian can help assess whether or not there is a in your pet.

Dealing With Increased Appetite

It might seem benign to simply feed your dog when it's hungry (goodness knows, it can't possibly be comfortable for the dog to always feel like it's hungry!). The problem is, this can easily lead to weight gain - and for senior dogs who often have other health and mobility issues, the extra weight can make these problems worse.

Sometimes medication can cause dogs to have an increased appetite. Talk to your vet about adjusting the dosage, to use the minimum possible amount that is still effective for treating your pet's condition. Do not stop giving the medication or adjust the dosage without first consulting with your veterinarian. There are drugs, like prednisone, that dogs have to be slowly weaned off.

Here are a few ideas for trying to deal with increased appetite problems. You can try them in combination, too. Check with your vet first if you're changing your dog's diet to make sure it won't negatively impact his health.

  • Switch to a lower-calorie, high-quality diet. That way you can feed more without the dog taking in extra calories, which might help him feel fuller.

  • Feed a high-fiber diet. The extra fiber can help him feel fuller, for a longer period of time.

  • Break his meals up into multiple smaller meals throughout the day.

  • Bulk up his meals with nutritious, high-fiber but low-calorie fillers like a tablespoon or two of canned pumpkin (not the pie filling, but pure, pureed pumpkin). A slice or two of dehydrated, sliced sweet potato is also good. Or try replacing a small portion of the dog's food with a heftier portion of green beans.

  • Freeze some of the dog's food. For example, freeze slices of canned food or some green beans. It'll take the dog longer to eat them and possibly make him feel less hungry. Make sure that you take these frozen goodies into account when feeding your dog the rest of its meals.

Dealing With Decreased Appetite or Lack of Appetite

Talk to your veterinarian about what steps you can take to counter-act decreased appetite problems or inappetence. In some cases, if it's a drug making your pet nauseous, an alternate drug might give your dog his appetite back. Ask the vet if it's okay to try a lower dose of the drug to see if that might help too. Don't change your dog's medication dosage, or give your dog any new medication, without first discussing it with your vet. This is critically important; some drugs aren't suitable for dogs, others cannot be abruptly stopped, plus there are drug interactions to think about.

On a personal note, my own dog experienced a dramatic loss of appetite due to liver disease. Here are some ways I was able to encourage my dog to eat. Every little bit helps.

There's Hope!

It isn't easy persuading a dog to eat when he doesn't want to (or, conversely, trying to fill up a dog who's constantly hungry). Sometimes it really does mean that the time has come to say goodbye, because a good quality of life is no longer there. But this isn't necessarily the case. Be creative, try new things, and work closely with your vet to try to resolve your senior dog's appetite problems.

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