ALLERGIES IN DOGS AND CATS
WHAT ARE ALLERGIES? Allergies occur when an animal responds abnormally (literally over-reacts)
to some everyday substance, called an allergen, like pollen, mold, grass, animal
hair, feathers, house dust or fleas and other insects. These substances cause an
allergic reaction when inhaled, swallowed, or contact the skin. Certain food
items can also cause allergic reactions. DO DOGS AND CATS REALLY SUFFER FROM ALLERGIES? YES! Any pet can develop allergies. An overwhelming 30% of all skin
irritations in the dogs are caused by allergic reactions. The clinical signs of
allergies may be seasonal and often correspond to the rise and fall in the
levels of tree and grass pollens or heightened periods of mold activity,
particularly, in the moist or warm climates. Food or insect allergies are
usually non-seasonal. ARE PET ALLERGIES LIKE HUMAN ALLERGIES? The underlying biological reactions to allergies are the same in humans and
pets. The outward signs, however, are different. Allergic humans suffer from
nasal and sinus congestion, sneezing, coughing, wheezing, headaches, runny eyes
and occasionally skin rashes with itching. Although dogs can show similar
symptoms, it is much more common to find skin problems with intense itching.
Reactions to food allergens may also cause itching or vomiting and diarrhea. WHAT ARE SOME OF THE SIGNS OF AN ALLERGIC PET? Signs of allergies begin with redness and itching of the face, feet, ears and
rump areas. As the disease progresses the itching can involve most or all of the
body. Self-mutilation can lead to bacterial skin infections, accompanied by hair
loss, foul odors and other changes of the skin. Remember, not all of the signs
described can always be attributed exclusively to allergies. For this reason, it
is important that your pet's skin problems be accurately diagnosed. HOW WILL MY PET'S ALLERGIES BE TREATED? The best form of treatment would be to keep the pet away from the particular
allergen, but in most cases, this is difficult, if not impossible. Combinations
of prescription drugs, supplements, shampoos and diets do quite well at
controlling most symptoms, especially for seasonal problems. Hyposensitization to the offending allergen(s) after extensive testing to
determine what your pet is allergic to is another form of treatment. Injections
are prepared containing specific amounts of offending allergen(s) to be
administered on a regular basis. This allows the animal to build up a tolerance
to the allergen(s). A newer form of therapy involves using a drug called Atopica, an
immune modulator that helps your pet’s body not over-react when it
encounters an offending allergen. Success and safety of this drug is proving to
be very good. Pets with non-seasonal allergies may be allergic to basic food ingredients.
Most every commercial food contains some of the same ingredients that can cause
allergies. New and specialized foods are now readily available to help both
diagnose and treat these kinds of problems. These include IVD Limited Ingredient
Diets, z/d by Hills, and several others. REMEMBER: Your pet is unique, and the type of medication, proper
doses, and frequency of giving the medication may change or vary over time.
Regular exams, testing and careful monitoring at home is essential for long-term
success.
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©2007 James W. Day D.V.M., P.C.