Oral allergy syndrome: Difference between revisions
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{{Infobox medical condition | |||
| name = Oral allergy syndrome | |||
| synonyms = Pollen-food syndrome | |||
| field = [[Allergy]] | |||
| symptoms = [[Itching]], [[swelling]] of the mouth, [[throat]], and [[lips]] | |||
| complications = [[Anaphylaxis]] | |||
| onset = [[Adulthood]] | |||
| duration = [[Short-term]] | |||
| causes = [[Cross-reactivity]] between [[pollen]] and [[food]] proteins | |||
| risks = [[Hay fever]], [[allergic rhinitis]] | |||
| diagnosis = [[Clinical diagnosis]], [[skin prick test]], [[specific IgE]] | |||
| differential = [[Food allergy]], [[angioedema]], [[anaphylaxis]] | |||
| prevention = Avoidance of triggering foods | |||
| treatment = [[Antihistamines]], [[epinephrine]] for severe reactions | |||
| frequency = Common in individuals with [[pollen allergies]] | |||
}} | |||
'''Oral Allergy Syndrome''' (OAS), also known as '''[[Pollen-Food Allergy Syndrome]]''', is a type of [[food allergy]] characterized by a cluster of allergic reactions in the mouth in response to eating certain (usually fresh) fruits, nuts, and vegetables that typically develops in adults with [[hay fever]]. | '''Oral Allergy Syndrome''' (OAS), also known as '''[[Pollen-Food Allergy Syndrome]]''', is a type of [[food allergy]] characterized by a cluster of allergic reactions in the mouth in response to eating certain (usually fresh) fruits, nuts, and vegetables that typically develops in adults with [[hay fever]]. | ||
== Symptoms == | == Symptoms == | ||
The symptoms of Oral Allergy Syndrome are confined to the mouth, lips, tongue, and throat. The most common symptoms include itching or inflammation of the mouth, lips, tongue, throat, and ears immediately after eating certain fresh fruits, vegetables, or certain kinds of nuts. In rare cases, reactions can be life-threatening and can progress to [[anaphylaxis]], a severe allergic reaction. | The symptoms of Oral Allergy Syndrome are confined to the mouth, lips, tongue, and throat. The most common symptoms include itching or inflammation of the mouth, lips, tongue, throat, and ears immediately after eating certain fresh fruits, vegetables, or certain kinds of nuts. In rare cases, reactions can be life-threatening and can progress to [[anaphylaxis]], a severe allergic reaction. | ||
== Causes == | == Causes == | ||
Oral Allergy Syndrome is an example of a [[Class 2 food allergy]]. It occurs in people who are already allergic to pollen and it is the immune system's response to proteins in certain fruits, vegetables, and nuts that are similar to those in pollen. These proteins can confuse the immune system and cause an allergic reaction or make existing symptoms worse. | Oral Allergy Syndrome is an example of a [[Class 2 food allergy]]. It occurs in people who are already allergic to pollen and it is the immune system's response to proteins in certain fruits, vegetables, and nuts that are similar to those in pollen. These proteins can confuse the immune system and cause an allergic reaction or make existing symptoms worse. | ||
== Diagnosis == | == Diagnosis == | ||
Diagnosis of Oral Allergy Syndrome is usually made by an [[allergist]] based on the patient's history of reactions to certain foods. Skin prick testing or blood tests for specific IgE antibodies can confirm the diagnosis. | Diagnosis of Oral Allergy Syndrome is usually made by an [[allergist]] based on the patient's history of reactions to certain foods. Skin prick testing or blood tests for specific IgE antibodies can confirm the diagnosis. | ||
== Treatment == | == Treatment == | ||
The primary treatment for Oral Allergy Syndrome is avoidance of trigger foods. Cooking or peeling the food may allow it to be eaten without a reaction. In some cases, desensitization to the food through oral immunotherapy may be recommended. | The primary treatment for Oral Allergy Syndrome is avoidance of trigger foods. Cooking or peeling the food may allow it to be eaten without a reaction. In some cases, desensitization to the food through oral immunotherapy may be recommended. | ||
== See also == | == See also == | ||
* [[Food allergy]] | * [[Food allergy]] | ||
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* [[Allergist]] | * [[Allergist]] | ||
* [[Immunotherapy]] | * [[Immunotherapy]] | ||
[[Category:Allergology]] | [[Category:Allergology]] | ||
[[Category:Immunology]] | [[Category:Immunology]] | ||
Latest revision as of 02:17, 4 April 2025
| Oral allergy syndrome | |
|---|---|
| Synonyms | Pollen-food syndrome |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Itching, swelling of the mouth, throat, and lips |
| Complications | Anaphylaxis |
| Onset | Adulthood |
| Duration | Short-term |
| Types | N/A |
| Causes | Cross-reactivity between pollen and food proteins |
| Risks | Hay fever, allergic rhinitis |
| Diagnosis | Clinical diagnosis, skin prick test, specific IgE |
| Differential diagnosis | Food allergy, angioedema, anaphylaxis |
| Prevention | Avoidance of triggering foods |
| Treatment | Antihistamines, epinephrine for severe reactions |
| Medication | N/A |
| Prognosis | N/A |
| Frequency | Common in individuals with pollen allergies |
| Deaths | N/A |
Oral Allergy Syndrome (OAS), also known as Pollen-Food Allergy Syndrome, is a type of food allergy characterized by a cluster of allergic reactions in the mouth in response to eating certain (usually fresh) fruits, nuts, and vegetables that typically develops in adults with hay fever.
Symptoms[edit]
The symptoms of Oral Allergy Syndrome are confined to the mouth, lips, tongue, and throat. The most common symptoms include itching or inflammation of the mouth, lips, tongue, throat, and ears immediately after eating certain fresh fruits, vegetables, or certain kinds of nuts. In rare cases, reactions can be life-threatening and can progress to anaphylaxis, a severe allergic reaction.
Causes[edit]
Oral Allergy Syndrome is an example of a Class 2 food allergy. It occurs in people who are already allergic to pollen and it is the immune system's response to proteins in certain fruits, vegetables, and nuts that are similar to those in pollen. These proteins can confuse the immune system and cause an allergic reaction or make existing symptoms worse.
Diagnosis[edit]
Diagnosis of Oral Allergy Syndrome is usually made by an allergist based on the patient's history of reactions to certain foods. Skin prick testing or blood tests for specific IgE antibodies can confirm the diagnosis.
Treatment[edit]
The primary treatment for Oral Allergy Syndrome is avoidance of trigger foods. Cooking or peeling the food may allow it to be eaten without a reaction. In some cases, desensitization to the food through oral immunotherapy may be recommended.
See also[edit]
| Food Allergies | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
This Food allergies related article is a stub.
|
| Immunology | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
This immunology-related article is a stub.
|
