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                              Atopic dermatitis in the dog (Atopy)


             Atopic Dermatitis Causes, Symptoms, and Treatments


Can Dogs Have Allergies?

Yes, dogs can get allergies just like humans do. Dog allergies are often caused by the allergens found in pollen, animal dander, plants, and insects, but dogs can also be allergic to food and medication as well. These allergies can cause symptoms such as excessive itching, scratching, and grooming; rashes; sneezing; watery eyes; paw chewing; and skin inflammation. In some cases, dogs have conditions, such as atopic dermatitis , that is associated with and may be caused by allergies.


Atopic Dermatitis in Dogs

Atopic dermatitis is an inflammatory, chronic skin disease associated with allergies. In fact, this is the second most common allergic skin disease in dogs. These allergic reactions can be brought on by normally harmless substances like grass, mold spores, house dust mites , and other environmental allergens.


                                          

                                                   Aopische Dermatitis


Dogs normally show signs of the disease between 3 months and 6 years of age, though atopic dermatitis can be so mild the first year that it does not become clinically apparent before the third year.


Despite the fact dogs are more prone to atopic dermatitis than cats, it does occur in felines. If you would like to learn more about how this disease affects cats, please visit this page in the PetMD health library.


Symptoms and Types

Often symptoms associated with atopic dermatitis progressively worsen with time, though they become more apparent during certain seasons. The most commonly affected areas in dogs include the:


Ears

Wrists

Ankles

Muzzle

Underarms

Groin

Around the eyes

In between the toes

The signs associated with atopic dermatitis, meanwhile, consist of itching, scratching, rubbing, and licking, especially around the face, paws, and underarms.


Causes

Early onset is often associated with a family history of skin allergies. This may lead the dog to become more susceptible to allergens such as:


Animal danders

Airborne pollens (grasses, weeds, trees, etc.)

Mold spores (indoor and outdoor)

House dust mite

Diagnosis

Your veterinarian will want a complete medical history to determine the underlying cause of the skin allergies, including a physical examination of the dog.


Serologic allergy testing may be performed, but it does not always have reliable results. The quality of this kind of testing often depends on the laboratory which analyzes the results. Intradermal testing, whereby small amounts of test allergens are injected in the skin and wheal (a red bump) response is measured, may also used to identify the cause of your pet's allergic reaction.


Treatment

The treatment will depend on what is causing your pet's allergic reaction. If the reaction is due to atopy , for example, hyposensitization therapy can be performed. Your veterinarian will give your pet injections of the allergens to which it is sensitive. This decreases itchiness in 60 to 80 percent of dogs, but may approximately take six months to a year to see an improvement.


Medicines such as corticosteroids and antihistamines can also be given to control or reduce itching. Cyclosporine is effective in controlling itching associated with long-term skin allergies, while sprays can be used over large body surfaces to control itching with minimal side effects.


Living and Management

Unfortunately, atopic dermatitis only rarely goes into remission or spontaneously resolves. However, bathing your dog in cool water with anti-itch shampoos may help your alleviate its symptoms.


Once treatment has begun, your veterinarian must see the dog every 2 to 8 weeks to ascertain the effectiveness of the treatment and to check for drug interactions. Then, as your pet's itching becomes well controlled, it will need to be brought into the veterinarian's office every 3 to 12 months for checkups.


If your veterinarian should find the trigger for your pet's allergies, he or she will advise you as to how to best avoid those type of allergens.