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Allergies
What is an Allergy?
An allergy is a disease in which the immune system
overreacts or is hypersensitive to everyday substances. The substances
are called allergens and can include dust mites, pollen, grasses, molds
and certain food or chemicals.
How Do Animals Get Allergies?
Animals inherit the tendency to develop allergies
from their parents. Most animals start showing the first signs of having allergies between
the ages of 6 months and 5 years of age.
What Are the Signs of an Allergy?
The signs vary with the individual animal. Dogs
typically scratch, bite and chew their feet, flanks, tail area and face.
Cats usually lick excessively. Both cats and dogs will develop rashes,
skin infections, sores and scabs. It is common for dogs to develop repeated
ear or paw infections. Severe allergies are very uncomfortable for your
pet.
How Do I Know if My Pet Has Allergies?
Unfortunately many different skin diseases cause
sores, itchiness, redness and rashes. So, your veterinarian will need to
do a complete physical examination, take a good history of the problem
and possibly test for other diseases before making a diagnosis of an allergy.
How Are Allergies Treated?
Every patient has his or her allergy treated in
a slightly different way. Not every dog or cat responds the same way to
the same treatment. It is important to realize that there is no cure
for an allergy, but with help from your veterinarian we can control the
allergy symptoms and make your pet more comfortable.
The following are some of the most commonly used
products to help control allergies in pets.
Antihistamines: There are
a variety of different types of antihistamines which can be prescribed
for both dogs and cats. These work best when allergy symptoms are mild.
One type may work for one patient but not for another, so you may need
to try several types before finding one that works for your pet.
Fatty Acid Supplements: These
are nutritional supplements that can help antihis-tamines work better in
your dog. They also help certain dogs and cats with dry skin or a skin
disease called seborrhea.
Medicated Shampoos and Soaking Solutions:
A variety of skin conditions
respond to a properly prescribed medicated shampoo.
Some dogs and cats will find relief from special soaks, rinses or sprays
applied daily.
Steroids or Cortisone:
Glucocorticoid
type steroids are used for short or intermittent dosing periods to reduce
severe allergy symptoms to the point that something milder like antihistamines
can be used.
Allergy Desensitization Injections:
If your pet responds poorly to all of the mentioned treatments or has to
take too much of the glucocorticoid type of steroid to remain comfortable,
we recommend testing for allergies. A skin test or blood test is done to
look for specific trees, pollens, grasses or molds that your pet is allergic
to. Then we teach you to give injections on a regular basis (weekly to
monthly) to desensitize your pet to those specific allergens. This process often takes 8 to 12 months
to become effective. 25 to 35% of pets do not respond to this type of treatment,
so once again it is not a cure.
Flea Control: Pets that have
allergies rarely are allergic to just one substance. If they have sensitive,
itchy skin adding even one flea can really set off their allergy symptoms.
Most allergy patients are severely allergic to the saliva in a flea’s bite.
Using a high quality, effective monthly flea control program in the warm months
is highly recommended.
Food Allergy: Many people
mistakenly believe that a specific food or brand of food causes allergies.
Actually, food allergies develop to specific ingredients that your pet
has been exposed to for a long time. To detect food allergies your veterinarian
will help you set up a special ingredient food trial. This trial usually
takes 8 to 10 weeks. Fortunately, food allergies are fairly uncommon compared
to inhalant allergies.
Avoidance of the Allergens:
A variety of things can be done to reduce the number of allergens your
pet is exposed to. For instance, keeping the pet in an air conditioned
house, rinsing off the feet when they come in from outside, washing their
bedding weekly and providing strict flea control. Sometimes keeping your
long haired pet groomed short will make a pet with allergies more comfortable.
Important Points to Remember
-Allergies are not a curable disease. We can only control
the symptoms.
-All of the medications can have side effects
and all of the medications vary in their effectiveness in an individual
animal. It is extremely important to
keep in contact with your veterinarian about
which treatment is or is not working for your pet.
-Do not give your pet medications without talking
to your veterinarian first.
-It would be best to neuter your dog or cat with
allergies so this frustrating condition is not passed on to the next generation
of puppies or kittens.
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