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Doctor insights on: Oral Allergy Syndrome

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What's an oral allergy syndrome?

What's an oral allergy syndrome?

Food allergy: Oral allergy syndrome is the clinical syndrome seen in patients with pollen allergy who get oral symptoms to some fresh fruits and vegetables. Typically it is a cross reactive allergen in the pollens and fruits. ...Read more

Dr. John Chiu
2,711 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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Oral allergy syndrome is what?

Oral allergy syndrome is what?

OAS: This is a disorder related to cross reactive proteins in the fresh or raw fruit of vegetables you eat. For example, fresh apple causes itch, tingle, and possible swelling in the mouth, but apple pie, apple sauce, apple crumble cause no symptoms. It is because you have seasonal pollen allergies. Think where the fruit or veggie grows and it can give you a clue to what pollens you are allergic to. ...Read more

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Is oral allergy syndrome dangerous?

Is oral allergy syndrome dangerous?

Orl allergy syndrome: Usually, patients with oral allergy syndrome have itchy symptoms locally of the lips, tongue and sometimes the throat, and it is not dangerous. When the symptoms are more severe and cause hoarseness or real airway obstruction, we tend to call it anaphylaxis. Severity affects the description and the two conditions can overlap. Anaphylaxis is a broader term & includes many causes and sx patterns. ...Read more

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What is oral allergy syndrome ?

What is oral allergy syndrome ?

Pollen allergy: Oas occurs in highly allergic people whose allergic antibodies to pollen cross-react with certain raw fruits and vegetables. The most common symptoms are itching in the mouth when birch-allergic people eat apples, or ragweed-allergic people eat cantaloupe. Cooking the fruits and vegetables is effective, but medications don't prevent the symptoms - the only treatment for that is allergy shots. ...Read more

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Fruit/coconut/cashew allergy do they comprise oral allergy syndrome?

Fruit/coconut/cashew allergy do they comprise oral allergy syndrome?

Reactions can be OAS: All these foods have been associated with the oral allergy syndrome, but reactions to coconuts and cashews can also be life-threatening allergies independent of pollen allergies. ...Read more

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Does pollen season make oral allergy syndrome worse despite taking antihistamines?

Does pollen season make oral allergy syndrome worse despite taking antihistamines?

Yes it can: That's why you need to know the triggers well, try to avoid them as much as you can, ask your doctor about keeping an Epipen (epinephrine) handy, just in case a severe reaction develops, see an allergist if you can for complete assessment. Check aaaai.org or acaai.org for an allergist in your area, good luck ...Read more

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Can oral allergy syndrome cause voice hoarsenss?

Can oral allergy syndrome cause voice hoarsenss?

Oral allergy synd: Yes, but it's not common. Many patients with this problem do not require specific treatment, because the symptoms are mild. Sometimes if they want to eat the fruit, they pre-medicate themselves with antihistamines. If the reactions are really bothersome or dangerous, with throat closing and hoarseness, the food should be avoided as best possible, and epi pen carried. ...Read more

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Are potato chips safe for oral allergy syndrome?

Are potato chips safe for oral allergy syndrome?

generally yes: The most common foods for oral allergy syndrome now known as pollen-food allergy syndrome is melons, banana, apple and other fresh fruits and some vegetables. Potato allergy is uncommon. Typically it is the "raw" fruit or vegetable that has the heat sensitive protein. Since potato chips are cooked they are usually very well tolerated. ...Read more

Dr. Al Hegab Dr. Hegab
5 doctors agreed:
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Does cholinergic urticaria increase risk of anaphylaxis from oral allergy syndrome and exercise (with and without ingesting OAS causing fruits)?

Dr. Al Hegab Dr. Hegab
5 doctors agreed:
Does cholinergic urticaria increase risk of anaphylaxis from oral allergy syndrome and exercise (with and without ingesting OAS causing fruits)?

Different mechanisms: Cholinergic urticaria is different from oral allergy syndrome or exercise induced anaphylaxis. At any rate, if anybody has any of these conditions, using antihistamines and keeping an Epipen (epinephrine) handy is a wise thing to do. Have an evaluation by an allergist for better control, best wishes ...Read more

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What's the difference between a food allergy and "oral allergy syndrome"?

What's the difference between a food allergy and "oral allergy syndrome"?

Cause of Oral allerg: Oas is seen when people with high level of ragweed pollen allergy feel itchy mouth and throat when they eat melons, (watermelon, cantaloupe, honeydew and rarely cucumbers). Also, birch pollen allergy triggers this when eating peach family fruits ( cherries, apricots, nectarines, etc...), apples and pears. Diagnosis is made by positive tests to the pollen and history. Pollen immunotherapy may help. ...Read more

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Could seasonal allergies postpone an oral surgery?

Could seasonal allergies postpone an oral surgery?

Maybe: It depends on how bad your allergies are and the type of anesthesia that is going to be given to you. If you have severe symptoms and are going to be sedated blockage of your airway may present a reason to delay your surgery. If only local anesthesia is to be given it shouldn't be a problem except if you allergies are real bad you will feel worse after having oral surgery. Talk to your doctor. ...Read more

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Poly allergy syndrom?

Poly allergy syndrom?

Allergies: As a doctor, if i heard this it simply makes me think (1) you have allergies, asthma, eczema, etc.... Or (2) you have multiple allergies to pollens, medications, foods, stinging insects, etc... ...Read more

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Do antihistamines like Benadryl (diphenhydramine) help prevent oral allergy syndrome?

Do antihistamines like Benadryl (diphenhydramine) help prevent oral allergy syndrome?

Probably not: Oral allergy syndrome is usually caused by pollens and sometimes nuts. Claritin, zyrtec and Allegra (fexofenadine) can help with pollen allergies. But like any other allergy, it is best to stay away from the problem. Have an allergist test you and see what treatment would be best. ...Read more

Dr. John Chiu Dr. Chiu
2 doctors agreed:
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Is pruritus (body) a common allergy symptom? are allergy induced pruritus alleviated with anti histamines? how different from miliara rubra?

Dr. John Chiu Dr. Chiu
2 doctors agreed:
Is pruritus (body) a common allergy symptom? are allergy induced pruritus alleviated with anti histamines? how different from miliara rubra?

Yes: Allergy is usually associated with itching at the affected organ but most itching are not caused by allergies. Dry skin is by far the most common cause for itching without a skin rash. If the itching is caused by allergies (but not contact allergy), antihistamine in sufficient doses would work. In contact allergy involving the skin, topical cortisone works far better. ...Read more

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Are allergy drops or allergy shots available for treatment of food allergy/ or intolerance or are they only 4 treating environmental allergens ?

Are allergy drops or allergy shots available for treatment of food allergy/ or intolerance or are they only 4 treating environmental allergens

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Food allergy: Allergy drops and shots are now only administered for environmental allergies. There is ongoing research on treating food allergies with oral immunotherapy. ...Read more

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Does steaming fruits get rid of symptoms from oral allergy syndrome?

Does steaming fruits get rid of symptoms from oral allergy syndrome?

Unlikely: Rather boiling or cooking, proteins need to denatured (destroyed), to stop them from triggering the symptoms. Unlikely that steaming alone would be enough, best wishes ...Read more

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Is burning mouth syndrome related to oral HPV ?

Is burning mouth syndrome related to oral HPV ?

Vitamin B def.: Burning of the oral cavity can be associatet with vitamin b deficiency. I would strongly recommend a specialist in oral medicine. Herpes virus is most commonly associated with small peri-oral canker sores. ...Read more

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Is lupin oral steroids?

Is lupin oral steroids?

Nope: Lupin pharmaceuticals will be introducing a corticosteroid nasal spray in the us for adults and teenagers. The active ingredient is the same corticosteroid used in Nasacort (triamcinolone) AQ and is indicated for seasonal & perennial allergic rhinitis. Lupin is also a flowering plant whose only allergy relevance is that flour made from lupin when eaten may trigger anaphylaxis in persons allergic to peanut. Wow! ...Read more

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Ent consultation or allergist for chronic allergy/enlarged turbinates. Each has different opinions. Diagnosis after allergy tests, allergic rhnitis.

Ent consultation or allergist for chronic allergy/enlarged turbinates. Each has different opinions. Diagnosis after allergy tests, allergic rhnitis.

Expert! Please reply: You have seen experts so far w/out success, but they are still experts. My inexpert advice as co-sufferer follows: learn self-management skills including meditation, breathing exercises, best personal dietary & activity routines, consider modifying living situation (then re-consider). Plan activities to take advantage of your best cirumnstances & surroundings. If allergy shots & pills help, good! ...Read more

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Dr. Al Hegab
1 doctor shared a insight

Food Allergies (Definition)

An immune system reaction that occurs soon after eating a certain food. This often results in ...Read more