5 Myths About Food Allergy In Dogs

If you have an itchy dog, it doesn’t take long before someone tells you it’s due to the food. Usually that someone also offers an alternative.

It’s not a case of people trying to pull a fast one; they just believe in what they use. Who doesn’t? If all you have is a hammer, everything looks like a nail.

The trouble is, though, most owners of dogs with skin problems aren’t getting the advice they need. Or they’re getting it far too late.

So join me while I explore the five myths that prevent itchy dogs from getting the right treatment, food or otherwise.

Myth 1: Most itchy skin is caused by food allergy

No one is saying food allergy doesn’t exist. However, it’s only one of many causes of itching in dogs.

The most common cause of itching is still flea or mite infestation. This is true whether you can see fleas or not. Before good flea controls, even vets got this wrong.

Almost as common in a temperate climate is allergy to pollens, dust mites, or grasses. Sometimes it feels like we vets spend more time treating skin allergies in dogs than doing anything else. This will vary a little based on where you live.

When Claire and I studied, we were taught that food allergy is only 1 to 2% of itchy dogs. Recent studies come up with 15 to 20%. Whichever way it is, there are other things you should think of first.

Myth 2: Skin foods are just for food allergies

Just because food allergy isn’t common doesn’t mean foods don’t help itchy skin. Most dog owners don’t realise that there are two sorts of skin diet. The other sort for nutritional support of skin is criminally under-used.

Some dogs respond well to specially made ‘skin support’ diets, while others improve on raw diets. The idea is to increase diet quality and add factors known to help the skin. With a bit of trial and error, nearly every itchy dog will get some benefit.

Myth 3: Most dog allergies are to grains

There’s no doubt that grain allergies exist, it’s just that they’re nowhere as common as you are told. Proteins such as beef and dairy actually cause the highest number of adverse food reactions in dogs. You can read the full list of dog food allergies here.

In practice, the dogs that improve on grain-free diets are probably just responding to a better diet in general. So while you are very welcome to feed a grain-free diet, it’s not a priority to most vets, and there are better ways to help your dog stop scratching.

Myth 4: I can test my dog for food allergy

Do a Google search and you’ll be bombarded by ads for food allergy tests. Please stay away from these.

There is currently no reliable test for any adverse food reaction in dogs other than the good old elimination diet. Other tests will just give you a load of misleading information. In other words, the only way is the hard way. Sorry.

Myth 5: I changed the diet so it can’t be food allergy

Many food intolerances will improve by diet change, but we’re talking allergy. That’s when the immune system starts reacting to a harmless protein as if it’s a threat.

As anyone with a nut, gluten or shellfish allergy knows, any amount, no matter how tiny, will provoke a response. Even if a food says “beef” or “salmon” on the label there are usually other ingredients. Plus, the food is likely to be made on equipment used for other foods.

Then there’s the issue with inaccurate or missing ingredient lists on Australian pet foods.

So How DO I Find Out If My Dog Has A Food Allergy?

Food allergies are clearly still important. I’ve told you what doesn’t work so let’s finish with what does.

As part of a thorough workup, every dog with skin disease should be investigated for food allergy. The only way to do this is a properly designed and executed food trial. Please visit our page on homemade and commercial elimination diets if you want to learn more.

But in the meantime, don’t stress. Your dog most likely isn’t scratching because of the food you chose. And even if they are, there is a clear path to fixing it. Just not the one most people are told.

Now Have Your Say For Aussie Pets!

The fact that you’ve made it to the end tells me you care about pet food, and that you’re a stayer. Now use these rare powers for something incredibly easy and important!

The recent media scandal caused by deaths of dogs eating Advance Dermocare has triggered a Senate inquiry. Everyone is welcome to make a submission. The more that are received the better the chance of real change.

Visit our page on the Senate Inquiry into Pet Food Safety. You’ll find links and instructions for sending a submission. You can say as little or as much as you like, and address only one of the points or all of them. Personally, I’ve used it to call for pet foods to be regulated like human foods.

The voice of ordinary pet owners needs to be heard, not just the special interests. Submissions close on the 20th of July, 2018.

Have something to add? Comments are welcome below and will appear within 24 hours of lodging.


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Andrew

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