![]() Symptoms of OAS are similar to most other forms of allergy, including itching, swelling, and tingling in the mouth and throat. 3 When these proteins come into contact with the mucous membranes in your mouth, they can cause an allergic reaction. OAS is a unique type of allergic reaction that occurs when the proteins in certain foods are similar to those found in certain pollens. ![]() Pineapple allergies may be associated with Oral Allergy Syndrome (OAS). Pineapple and Oral Allergy Syndrome (OAS) 2 This particular agent contributes to the confusing nature of such allergies and is often why someone who is allergic to pineapples may also be triggered by other cross-reactive foods and substances. Profilin, which is also known to cause allergies in some people, is a key mediator of IgE cross-reactivity between exotic fruits like pineapple and pollen. In addition to bromelain, pineapples also contain a substance called profilin. 1 This activation of histamines can cause a host of unpleasant allergy symptoms, including hives, itching, swelling, difficulty breathing, and in some cases, anaphylaxis. When someone with an allergy to pineapple (or other foods with this compound) consumes this fruit, their body interprets bromelain as a foreign invader and triggers a release of histamines in an attempt to fight it off. One of the most common allergy-causing substances in pineapples is called bromelain. Consulting an allergist is generally recommended if you suspect youâre allergic to pineapple.įor more information about the causes, symptoms, cross-reactivity, and treatment of pineapple allergy, this article provides an in-depth look at this ominous condition. While pineapple allergies are relatively rare compared to other types of foods, they can cause a wide range of symptoms and reactions in affected people. This is because a true pineapple allergy is notorious for having cross-reactivity properties with other types of foods, making it especially difficult to diagnose and manage. When it comes to food allergies and sensitivities, pineapple is one of the most obscure types. What About Pineapple Intolerance or Sensitivity?.Pineapple Allergy & Latex-Fruit Syndrome.Cross-Reactivity When Allergic to Pineapple.How Long Does an Allergy to Pineapple Last?.Pineapple and Oral Allergy Syndrome (OAS).
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