When you have oral allergy syndrome, certain fresh fruits, nuts, and vegetables can trigger an allergic reaction in the mouth and throat because of proteins with a similar structure to pollen. Therefore, OAS is only seen … A reaction such as itching usually starts a couple hours after a person eats an allergy-causing food item. These types of sores indicate an allergic reaction in the category of gastrointestinal allergic reactions to food, which additionally includes irritation of the tongue. I am trying to narrow down what I have been using that has been causing my lips to swell, burn, peel and have a red ridge around the bottom of my lips. What Are the Signs of an Allergic Reaction to Walnuts? Causes of lichen planus include toothpastes, tooth filling materials, and medicines. What Are the Signs of an Allergic Reaction to Coconut. Any person who experiences these symptoms should be a medical professional because, in severe cases, they could be life threatening. Medications, including naproxen, ibuprofen, and aspirin, might cause the tongue to swell, which essentially is the body’s defense mechanism to deal with injury. What Are the Signs of an Allergic Reaction to Strawberries? A swollen tongue also can be an indication of an allergic reaction to a drug. What Are the Signs of an Allergic Reaction to Beer? These sores are shallow and painful. Could this be the problem? OAS is a form of a contact allergic reaction that occurs upon contact of the mouth and throat with raw fruits or vegetables. The most frequent symptoms of OAS include itchiness or swelling of the mouth, face, lip, tongue and throat. Food allergies can cause problems in the mouth, including rashes and itching when certain food items come into contact with an individual’s mouth or lips. The often include a rash, itching, sores, and swelling. Oral allergy syndrome is a type of food allergy classified by a cluster of allergic reactions in the mouth and throat in response to eating certain fruits, nuts, and vegetables that typically develops in adults with hay fever. Chewing gum and candy also are linked to this type of allergic reaction. Sores usually appear in groups, although a sole canker sore could develop on a person’s gum tissue. When a person attempts to wipe this white substance off, he or she could uncover bleeding gum tissue. An allergic reaction in the mouth can stem from a wide range of causes, from certain foods to the use of specific medications. Signs of an allergic reaction often are present in the mouth and tongue and also can even reach the throat. An allergic reaction in the mouth can stem from a wide range of causes, from certain foods to the use of specific medications. People who are allergic to bee stings are prone to swelling of the tongue, lips, and throat, which can interfere with the individual's ability to breathe. Lichen planus is a white fungal mouth rash that appears on the tongue, gums, and cheeks in the form of dots and lines and can cause pain. Wikibuy Review: A Free Tool That Saves You Time and Money, 15 Creative Ways to Save Money That Actually Work. A drug used to address high blood pressure, known as an angiotensin-converting enzyme inhibitor, can also cause swelling. What Are the Signs of an Allergic Reaction to Shrimp? What Are the Signs of an Allergic Reaction to Soy? Signs of an allergic reaction often are present in the mouth and tongue and also can even reach the throat. The often include a rash, itching, sores, and swelling. I was needing to find information about toothpaste allergies, mainly if it was possible to have a lip allergy from toothpaste. OAS is not a separate food allergy, but rather represents cross-reactivity between distant remnants of tree or weed pollen still found in certain fruits and vegetables. Called oral allergy syndrome, these mouth symptoms typically appear in people who are allergic to substances such as ragweed, grass, or birch tree pollens — pollens also commonly found in certain fresh produce such as apples and melons. Canker sores also can be signs of oral allergy issues. Mouth sores can also indicate an allergic oral condition known as lichen planus. I have been using Plus White with Xtra whitening agents.