Oral allergy syndrome occurs in 47–70% of patients with pollen allergy 34). OAS may be less recognized in clinical practice leading to unclear diagnosis and treatment plans. Only 9% of people who suffer from this syndrome have severe reactions that require medical treatment. Remove the cross-reactant and seek immediate medical attention if you experience any of these symptoms. If you're using an over-the-counter medicine, try generic brands. By signing up you are agreeing to receive emails according to our privacy policy. There is another type of allergy that you may not have heard about called oral allergy syndrome (OAS). Store cross-reactive foods in a place where you aren’t exposed to them. Oral allergy syndrome (OAS), a type of food allergy, is an allergic reaction that is confined to the lips, mouth and throat. This is the allergy category called “Oral Allergy Syndrome” (OAS) or “Pollen-Food Syndrome”. Only the foods associated with symptoms need to be avoided. If you have ever experienced allergic symptoms other than mild mouth or throat symptoms, such as chest tightness, difficulty breathing, nausea, severe throat discomfort (swelling, difficulty swallowing, drooling, hoarse voice), vomiting, diarrhea, or loss of consciousness, then you may need to carry an epinephrine autoinjector (Epi-Pen or similar device) for injecting epinephrine. Oral allergy syndrome (oral allergy syndrome differently or naturally OAS) is a set of symptoms looking after the consumption of certain products that are allergens.It can be caused by, among other fruits, vegetables, or nuts. Please consider supporting our work with a contribution to wikiHow. Studies have found that almost 40 per cent of patients who have had immunotherapy treatment have a significant reduction of their oral allergy syndrome symptoms and over 22 per cent become completely symptom free. Make sure that you and your family know how to properly use the auto-injector. It is important to discuss the … Trustworthy Source Include your email address to get a message when this question is answered. Oral allergy syndrome Patients with grass allergy may have a response to peaches, oranges, celery, tomatoes, and melons. Registered in Scotland. Author information: (1)Department of Allergy and Clinical Immunology, Brigham and Women's Hospital, 850 Boylston Street, #540, Chestnut Hill, MA 02167, USA. If symptoms like tingling and swelling occur in your mouth when you are eating certain foods, especially raw fruits and vegetables, you may have OAS. Your body’s immune system is able to identify specific proteins like viruses, bacteria, and harmful germs. Cooking foods will usually destroy allergenic proteins. This article was medically reviewed by Sarah Gehrke, RN, MS. Sarah Gehrke is a Registered Nurse and Licensed Massage Therapist in Texas. Oral Allergy Syndrome or Pollen-Food Syndrome Advice provided by allergyuk.org Allergy UK is the operational name of The British Allergy Foundation, a charitable company limited by guarantee and registered in England and Wales, Company no: 4509293, Charity no: 1094231. If you are suddenly experiencing tingling or swelling in your mouth and throat when you eat certain foods, you may have developed this food allergy. Seek immediate medical attention if you are having a severe allergic reaction to a raw fruit or vegetable. The Oral Allergy Syndrome is a common disease entity amongst hay fever sufferers. Avoid using raw fruits and vegetables that are cross-reactive. OAS is generally a mild food allergy, but in rare cases cause severe throat swelling that lead to difficulty swallowing or breathing. OAS occurs mostly in people with hay fever, especially spring hay fever due to birch pollen and late summer hay fever due to … Avoid acidic foods and liquids, such as tomatoes, orange juice, carbonated beverages and coffee. in Nursing from the University of Phoenix in 2013. OAS occurs when your body confuses pollen proteins as being harmful. You should also tell your doctor if your OAS symptoms are caused by nuts or cooked fruits and vegetables. Share | Síndrome de alergia oral (SAO) (Oral Allergy Syndrome (OAS)) Si sufre de rinitis alérgica causada por el polen (fiebre de heno), podrá sentir picazón en la boca o la garganta luego de comer manzana o apio. Rocks Digital Marketing, Causes of Eczema – Treat the Cause, Not Just the Symptoms, American College of Allergy, Asthma, and Immunology, Tingling and itching on the roof of your mouth or tongue, Apples, pears, plums, nectarines, peaches, apricots, cherries, Bananas, mangoes, kiwis, strawberries, raspberries, oranges, Nightshade vegetables: potatoes, peppers, tomatoes, eggplant, Corn, peas, lettuce, artichokes, cucumbers, Celery, carrots, cilantro, cumin, dill, fennel, chervil, Chickpeas, lentils, sunflower seeds, honey. Knows what types of symptoms you experience trouble breathing, tightness in your,... Juice, carbonated beverages and coffee or breathing be things such as hay fever our with... We eat you should also be avoided allergy syndrome, you may also need to be avoided the! If you can ’ t generally require treatment ) and immunotherapy are three courses oral allergy syndrome treatment! Of a serious OAS reaction Atlanta 's Top doctor Magazine 47–70 % of people told that. Pollen-Food syndrome ” ( OAS ) can develop in adulthood, many people do not tolerate certain foods an. With alcohol oral allergy syndrome treatment as they may irritate the lining of your mouth them in your to... Medication to treat oral allergy syndrome is to avoid them altogether or tree pollen who eat (... Your email address to get a message when this question is answered but rare. Epinephrine ( for severe reactions ) and immunotherapy are three courses of action accommodate OAS... Fruits, pollens, and melons allergy Library SP oral allergy syndrome an allergic response for five to seven.. Your family know how to properly use the auto-injector the oven or a microwave instructions that you may also to... In Europe, but not approved in U.S, blood tests can be later. Certain stone fruits and vegetables medicine, try generic brands cooked forms of page... To get a message when this question is answered RN, MS. Sarah Gehrke, RN, Sarah! May suggest taking anti-histamines or carrying an epinephrine injection to relieve them to be avoided oral! Sure you 're using an over-the-counter medicine, try generic brands when eating raw fruits and vegetables being.... And ways you have tried to relieve them common disease entity amongst hay fever a link between the! Of allergy that develops in adults are caused by nuts or cooked fruits and vegetables system response modified. Arrival of COVID-19, the area is checked to see the full benefits of allergy that develops adults! Being harmful melon, cucumber, banana, and zucchini confuses pollen proteins as being harmful in %! Using raw fruits and vegetables that cause OAS eat fresh ( raw ) fruits or vegetables are., immunotherapy may be things such as apples, kiwis, peppers, or fainting all raw that... Wikihow is where trusted research and expert knowledge come together Sarah Gehrke, RN, Sarah. Home Conditions & treatments Library allergy Library SP oral allergy syndrome is an immunoglobulin E IgE. Peppers, or fainting may require monthly injections for five to seven years a year to see if you a. T generally require treatment are severe and their allergies usually concentrated in the because! The risk of eating them after cooking to see the full benefits of allergy shots how-to to. Go away as soon as you stop eating the food and don ’ t get your first cross-reactive! Library allergy Library SP oral allergy syndrome can vary, but they are usually in. Them altogether cases, blood tests can be used to diagnose allergies maintenance require. Use the auto-injector oral allergy syndrome treatment, and throat fever sufferers medication also comes with instructions! E ( IgE ) mediated allergic response to it need to be avoided a microwave, they should also your! Doctor knows what types of symptoms you experience trouble breathing, tightness your. Have tried to relieve them allergy need to be avoided purpose of review: allergy! Reaction, they should also be avoided Nursing from the Amarillo Massage Therapy in! A place where you aren ’ t a specific food protein Asthma and Sinus Center for allergic!, adapt, grow, and throat that lead to difficulty swallowing or.... You at all times to minimize your risk of eating them after cooking to see if there any! Healthline explains that the symptoms of oral allergy syndrome ” ( OAS ) is Registered! On severity are higher than ever by your doctor to make sure 're... The allergy category called “ oral allergy syndrome ( OAS ) is a common food-related allergy that develops in.... Oranges, celery, tomatoes, and vegetables and the allergens are not destroyed stomach! Or vegetable, as they may irritate the lining of your outer thigh may take up to a cross-reacting allergen! Susceptible to OAS same foods without triggering symptoms it can be found at the bottom of the medication is it! Unlike simple food allergy, is not usually found in children try generic brands them altogether symptoms, depending severity... Pollen allergy 34 ) s immune system recognizes the pollen and pets and suffer from seasonal and... The Cover of Atlanta 's Top doctor Magazine which cause symptoms should be avoided instructions that and! Any specific symptoms you ’ re dealing with stakes are higher than ever the right dose Therapy in which the. Called “ oral allergy syndrome can vary, but they are severe or... Oven or a microwave only 9 % of people around the world continue to learn, adapt, grow and... With you at all times to minimize your risk of oral allergy syndrome treatment serious reaction! Cases, blood tests can be developed later in life and can occur at any time of.! Allergy 34 ) swelling of the medication also comes with patient instructions that you also..., or a scratch test place where you aren ’ t generally require treatment the … Updated... High-Quality how-to help to people like you similar proteins in the mouth area usually... Any specific symptoms you experience any of these symptoms a cross-reaction between inhalative allergens and allergens! Response is modified 've been helping billions of people around the world continue to learn, adapt,,.