Dust and pollen in a dog's coat can also cause allergy symptoms.

If you suspect that you are allergic to dogs, see an allergist for proper diagnosis and treatment.
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Essential Oils for Allergies can be an expensive treatment in dogs and can range from $200.00 to $800.00 depending on the cost of living and severity of your Dog's essential oils for allergies. On average, the national cost of treating essential oils for allergies in dogs is $400.00.
WebMD reveals the signs, symptoms, and triggers for food allergies in dogs.
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A recent study in 10 dogs known to be allergic to chicken protein resulted in four of 10 dogs flaring when fed a hydrolyzed chicken-liver based diet, but none of the dogs flared when fed a very finely hydrolyzed diet consisting of poultry feathers.4 Recently a hydrolyzed salmon diet has been made commercially available and provides another feeding option. Additional clinical trials and field experience are needed, but samples I’ve submitted to an independent laboratory performing ELISA testing found no trace of poultry, beef, pork, soy or dairy products. If your nose runs or you start sneezing and wheezing after petting or playing with a dog, you may be allergic to dogs.
Photo provided by FlickrDogs with allergies will often lick and scratch until they get “hot spots” like this one, which can be cleaned gently with a .
Photo provided by FlickrSmaller dogs  be more tolerable for people with allergies because they can shed less dander than larger dogs.
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The sad news is that there is no cure for allergies in dogs and cats. There are, however, ways to decrease allergen exposure and to address allergy symptoms in pets. Among the dog breeds predisposed to develop allergies, are an unusually high number of retrievers and terriers. For example, all Labrador Retrievers—black, yellow, and chocolate—have a tendency to develop food allergies. In a recent study of 30,000 dogs, the following were among the most likely to develop allergies: Labrador Retrievers, Golden Retrievers, English Setters, Irish Setters, Boston Terriers, Cairn Terriers, Fox Terriers, Sealyham Terriers, Scottish Terriers, West Highland White Terriers, and Wheaton Terriers. In addition, Bulldogs, Boxers, Cocker Spaniels, Collies, Dachshunds, Dalmatians, Lhasa Apso, Miniature Schnauzers, Pugs, and Shar Peis are prone to allergies.Allergies in dogs and cats occur when the immune system overreacts to something that isn't really a threat. For example, reacting to peanuts, air-borne pollen, or laundry detergent—none of which should cause harm. The material that causes an allergic reaction is called an antigen. Antigens are usually proteins. The term "allergen" is often used rather than the term antigen, but these two terms are slightly different. Antigen refers to any substance causing allergies, and allergen refers to ingested or air-borne substances causing allergies.Allergies are the most common cause of in dogs. In dogs, allergies often cause , hair loss, and inflammation of the skin. In some dogs, allergies help trigger ear problems (such as ) as well as skin problems.Yucca is a natural anti-inflammatory that helps the immune system function normally. It helps resolve symptoms without side effects common with steroids. Yucca should be given daily for allergies. , a concentrated liquid medication is a powerful product that is safe for cats and dogs with allergies. It can also be given in your pet's food or applied directly to areas of itching skin.Allergies cannot be cured, and they are a common cause of frustration for dog owners. However, a large number of management options are available for dogs with allergies. Most cases of allergy in dogs can be controlled, with symptoms reduced to levels that are tolerable for the dog and the people living with it.