Most Common Causes of Dog Allergies

allergies dogs

Unlike most people who commonly react to allergens with nasal symptoms or hives, your Goldendoodle and all other dogs react with skin or gastrointestinal problems. This is because a higher proportion of mast cells release histamines and other vasoactive substances in the face of an allergic challenge in dogs’ skin. These problems range from poor coat texture or hair length itching and chewing, hot spots and self-mutilation, gastrointestinal pain and discomfort, flatulence, and diarrhea. Allergies may also play a big part in chronic ear infections.

Common causes of canine allergic dermatitis areare flea, food, and inhalant or contact allergies to the skin’s normal bacterial flora and yeast organisms. To make things worse and more challenging to diagnose and treat, thyroid disease may also add to the problem.

Inhalant and Contact Allergies

Substances that may cause an allergic reaction in dogs are like those that cause reactions in people, including the pollens of grass, weeds and trees, molds, and dust mites. A clue to diagnosing these allergies is looking at the timing of the reaction. Does it happen year-round? This may be dust or mold.

Flea Allergies

This reaction is usually not to the flea but to its saliva proteins. Interestingly enough, dogs most prone to this problem aren’t constantly flea-ridden dogs but those exposed occasionally! A single bite may cause a reaction for five to seven days; you don’t need many fleas to have a miserable dog. So take care of your mothers, especially if they are pregnant. List your cavapoo puppies for sale before they get any flea allergies, or you might not be able to sell them, and you could potentially lose some due to this allergy if they are too young.

Food Allergies

Many people don’t suspect food allergies as the cause of their dog’s itching because their pet has been fed the same food all of its life, and then, out of nowhere, they start having symptoms. However, animals may develop allergies to a substance over time, so this fact doesn’t rule out food allergies.

Another common misconception is that dogs are only sensitive to poor food quality. If a dog is allergic to an ingredient, it won’t matter whether it’s in premium food or the most inexpensive brand on the market. One slight advantage to excellent foods is that some avoid joint fillers, often implicated in allergic reactions.


Allergy testing is the best diagnostic tool and road to treatment for dogs suffering from moderate and severe allergies. There are several different testing methods available. A blood test for antigen-induced antibodies in the dog’s blood is the most common. Intradermal skin testing may be performed. This testing method injects some antigen into a shaved part of the dog’s skin. This is generally done in a specific order and pattern to identify the offending antigen if the dog shows a slightly raised reaction. After a short period, the shaved area will be examined to detect if any antigens created a response.


There are many different allergies dogs can get that we can also call, but it might not affect one or the other quite as much. It is essential to treat your dog’s allergies as soon as they come in; if not, they can get worse and worse, and if they get bad enough, it could permanently damage your dog. That is the last thing you want, your dog might be the only thing you have, and he has been with you every step of the way; dogs are much more than a friend; they are family.

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