Another allergy question
Posted 11 June 2012 - 10:01 AM
I hear, when a dog has a food allergy, that it is OVEREXPOSURE to an ingredient that causes the allergy. HOW, then, can allergy shots (which are, are they not OVEREXPOSURE to the very thing you are allergic to) "fix" an allergy?? How can overexposure both cause AND cure allergies?
This has always confused me, and is one of the things that makes me skeptical of veterinary dermatology!
Posted 13 June 2012 - 01:39 PM
I canít speak for dogs that get allergy shots, only when humans get allergy shots, but maybe itís the same reason.
When a person is found to be allergic to certain foods, the Allergistís remedy for food allergies is avoidance, not to eat more of it (think peanuts and shellfish) which is why we stop feeding a certain food to our dog(s). Humans get allergy shots for environment allergens; dust, dust mites, dog, cat, grasses, trees, etc. I can only assume dogs are the same way since none of my dogs get allergy shots.
Overexposure is not the reason or goal of allergy shots. When a person starts getting allergy shots (Immunotherapy) they are given very small amounts of what they are allergic too. If they donít show any signs of reaction, they are given a slightly larger amount the next time. (When I started my shots, I had to go twice a week for the 1st few weeks then graduated to once a week for several weeks, then once every 2 weeks, etc.) At any time, if you show a reaction (redness, itching) they take a step back when you go in for your next shot. Only when/if you donít show any reaction of any kind do they increase your dosage. In other words, the reasoning behind allergy shots is to desensitize your body in a somewhat controlled environment.* Hopefully, eventually your white blood cells will stop reacting to what youíre allergic too.
*I say somewhat controlled environment because the Allergist canít control what you do outside their office. When asked if I had dogs and/or cats, I said ďYes, and they arenít going anywhereĒ.
I hope this helps.
JJ (RIP 10/8/2014), Jake, Josie
Posted 13 June 2012 - 02:04 PM
I'm not sure this is always the case. I know of at least one dog that is allergic to a meat protein and was so from the first exposure (in a food).
I hear, when a dog has a food allergy, that it is OVEREXPOSURE to an ingredient that causes the allergy.
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Posted 14 June 2012 - 11:35 AM
Shayna + Happy the matriarch Border Collie, Gem and Gypsy the Psychotic Heeler's, Paisley the Aussie and Sola the Tiny Toller
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