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School
Auburn University *
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Course
1000
Subject
Medicine
Date
Apr 3, 2024
Type
docx
Pages
4
Uploaded by MegaElectron2558
Topic: What is Oral Allergy Syndrome (OAS)
Introduction
I.
Imagine eating your favorite fruit, then suddenly you notice an itch in your mouth. After a few minutes the itching spreads to your gums, tongue, the whole inside of your mouth and your throat. You drink water, milk and even brush your teeth but your
efforts are in vain. The itching doesn’t subside till a few hours later. (attention getter).
II.
As someone who suffers from such an allergy the example just used has been a reality
for me. (credibility)
III.
This is a common reaction of oral allergy syndrome (OAS). OAS is a food pollen allergy which isn’t very known about. (thesis)
IV.
As an individual upon millions who suffer from food pollen allergies it’s important to know and understand the triggers that stem from pollen allergies. (relevancy)
V.
Today, I will inform you more about OAS with the points of: how it does one develop OAS, what foods are most associated with OAS and how to lessen the effects
of an allergic reaction
Body
I.
How does one develop OAS?
A. One can develop OAS from having pollen allergies but in a few cases this isn’t true and the allergy can stem by itself.
Oral allergy syndrome, better known as OAS is best described as a “cross reactivity between proteins in fresh fruits, vegetables and nuts with pollens” by Stanford Health Care staff who are allergist-
immunologists.
Common symptoms after eating fresh fruit include an itchy throat/mouth, swelling of the lips throat and tongue and tingling lips making it difficult to breathe or swallow
Thankfully as quoted by two medical professionals in the American Journal of Rhinology & Allergy, “Allergic manifestations are usually limited to the oropharyngeal region,” meaning these reactions stick to the throat and mouth. This is a sigh of relief as you won’t have to
worry about conditions such as hives and other outside bodily reactions. II.
What foods are most associated with OAS
A. Just to add in some numbers, “Up to 70% of patients with birch pollen allergy have OAS” as cited by medical professionals from the Journal of Allergy and Clinical Immunology.
As you can see here the most common types of allergies are birch, grass,
mugwort and ragweed. Birch, of course the most prevalent has a lot of our favorite fruits and more. Which is why this allergy is specified as a birch pollen allergy at times in clinical studies.
From my experience I seem to be allergic to everything birch and more but I’ve recently become OAS prone to bananas which stems from ragweed. This took me by surprise as I could eat them before with no issues. Now, I can’t. I’m only stuck with one fruit to enjoy. Oranges.
As you can inquire from my experience of OAS that my case lies on the fine line of serve and mild. Enough to fully avoid fruit but not enough to
carry something around such as an EPI pen. III.
How to lessen the effects of an allergic reaction
A. Well, the most popular way to deal with such a food pollen allergy is to take over-the counter medicine such as Zyrtec or any allergy relieving medication since most cases aren’t severe if you still want to enjoy fruit
Another way is to cook your fruit to break down the proteins
Speaking to an allergist is also beneficial as you can get allergy shots and specialized prescriptions
My personal favorite is to just avoid fruit in general.
These are just a few examples out of many listed and are among the most common ways to prevent or lessen the effects of an OAS allergic reaction
Conclusion
I.
Now, I would like to wrap things up feeling confident that I’ve taught you guys well enough about how one develops OAS, what foods are most associated with OAS AND ways to lessen the effects of an allergic reaction.
II.
So, the next time you’re enjoying a piece a fruit just remember there’s probably someone like me envying that you get to enjoy the simple pleasures of life.
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Reference:
Asero, R., Massironi, F., & Velati, C. (1996). Detection of prognostic factors for oral allergy syndrome in patients with birch pollen hypersensitivity.
Journal of allergy and clinical immunology
,
97
(2), 611-616.
Muluk, N. B., & Cingi, C. (2018). Oral allergy syndrome.
American journal of rhinology & allergy
,
32
(1), 27-30.
Tourangeau, L. M., Walford, H. H., & Nguyen, J. T. (n.d.). Oral allergy syndrome (OAS)
. ORAL ALLERGY SYNDROME (OAS). https://stanfordhealthcare.org/content/dam/SHC/clinics/menlo-medical-clinic/docs/
Allergy/Oral%20Allergy%20Syndrome.pdf
Webber, C. M., & England, R. W. (2010). Oral allergy syndrome: a clinical, diagnostic, and therapeutic challenge.
Annals of Allergy, Asthma & Immunology
,
104
(2), 101-108.