It is related to allergic rhinitis, otherwise known as hay fever. “You have a severe case of it,” he said. It is possible for a person to have both a food allergy and a related condition, such as eosinophilic esophagitis or oral allergy syndrome. In other words, OAS occurs because the proteins found in some fruits, vegetables, spices, and legumes are very similar to those in pollen. I had a diagnosis at the age of 24. Oral allergy syndrome (OAS) is caused by cross-reactivity between proteins in fresh fruits and vegetables and pollens. Oral allergy syndrome is an allergic reaction that specifically affects the mouth, lips, tongue, and throat. This syndrome occurs in a large number (up to 70 percent) of people with pollen allergy. Category: Nutrition. I love tomatoes so much that I haven't stopped eating them and just deal with the itchy throat and stinging lips. Other symptoms of oral allergy syndrome Most of the time, someone who develops oral allergy syndrome has been eating fruits, vegetables, and nuts for years. I had a diagnosis at the age of 24. Oral Allergy Syndrome Oral allergy syndrome (OAS) also referred to as pollen allergy syndrome is something that many people experience but do not realize exactly what it is. Some related conditions, such as asthma and eczema, can co-exist with food allergies while also making symptoms of each worse. Here are some tips to avoid this discomfort. Oral Allergy Syndrome. This condition is called oral allergy syndrome (OAS), also known as pollen fruit syndrome … Don't try this on your ... et al. Allergy: Oral Allergy Syndrome HFFY#552. Do chronic allergies ever go away? If you have horrible hay fever, this could be the answer to your prayers. ANSWER Some people, most often children, may outgrow an allergy completely. If you have oral allergy syndrome (OAS), chances are that you also have seasonal allergies to pollen from trees such as birch and alder, or you’re allergic to ragweed or grass pollens. People with oral allergy syndrome may have an itchy, tingling mouth and throat after eating certain foods. AFTER years of reactions, ranging from itching to unexplained anaphylaxis and trips to the hospital, there was finally an end to the guessing and questions. If you notice pain with a lump or sore that doesn’t go away, you may want to head to the doctor for a checkup. Oral allergy syndrome (OAS) is a type of food allergy classified by a cluster of allergic reactions in the mouth and throat in response to eating certain (usually fresh) fruits, nuts, and vegetables that typically develops in adults with hay fever. The information provided should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. Now I can actually eat salad and even watermelon and it does not bother me at all. I suffer from this, which is not so fun! Stomach pain due to oral allergy syndrome (OAS) occurs to many people and they do not even realize it. Does Oral Allergy Syndrome Go Away ? If you usually suffer from seasonal allergies, you're not green to red, watery eyes, a stuffy nose, or an itchy throat. If so, chances are you have oral allergy syndrome, or pollen-food allergy syndrome as it’s also known. My allergist explained that I have oral allergy syndrome (OAS). These proteins can confuse the immune system and cause an allergic reaction or make existing symptoms worse, which is referred to as cross-reactivity. Suddenly, oral allergy syndrome appears in teens and in adults. Call 911 for all medical emergencies. According to the American Academy of Allergy, Asthma, and Immunology, OAS is a pollen-food syndrome caused by cross-reacting allergens in pollen and raw fruits, vegetables, and some tree nuts. Oral and Maxillofacial Surgery Clinics of North America. The proteins in the fruits and vegetables causing OAS are easily broken down with cooking or processing. Oral allergy syndrome This is mostly going to be raw fruits and vegetables. Oral Allergy Syndrome I'm *severely* allergic to grass pollen, and as I've gotten older, this has extended to tomato pollen as it contains a structurally similar protein.