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Oral allergy syndrome (OAS) or pollen-food allergy syndrome (PFAS) is a type of allergy classified by a cluster of allergic reactions in the mouth and throat in response to eating certain (usually fresh) fruits, nuts, and vegetables. It typically develops in adults with hay fever. [1] It is not usually serious. [2]
Respiratory symptoms, Anaphylaxis, oral allergy syndrome, gastrointestinal symptoms, rhinitis, conjunctivitis Shellfish allergies are highly cross reactive, but its prevalence is much higher than that of fish allergy. Shellfish allergy is the leading cause of food allergy in U.S adults. [31]
A food allergy is an abnormal immune response to food. The symptoms of the allergic reaction may range from mild to severe. They may include itchiness, swelling of the tongue, vomiting, diarrhea, hives, trouble breathing, or low blood pressure. This typically occurs within minutes to several hours of exposure.
Treating allergy symptoms with over-the-counter medication, saline spray, and, if warranted, allergy medication or injections from your doctor, may also help reduce GI symptoms as a result.
Some such symptoms include a stuffy nose or low-grade fever that are associated with the common cold; itchy or watery eyes as occur with seasonal allergies; or nausea, chills and diarrhea, as are ...
The signs of adult-onset allergies aren’t always obvious, and they can easily be confused with other conditions. “One of the major symptoms many people overlook is poor quality sleep.
Symptoms may include: rash, hives, itching of the mouth, lips, tongue, throat, eyes, skin, or other areas, swelling of lips, tongue, eyelids, or the whole face, difficulty swallowing, runny or congested nose, hoarse voice, wheezing, shortness of breath, diarrhea, abdominal pain, lightheadedness, fainting, nausea and vomiting. Symptoms of ...
Allergy & immunology: Symptoms: itchiness, rash, swelling of lips, tongue or the whole face, eczema, wheezing and shortness of breath, nausea, vomiting, abdominal pain, diarrhea, anaphylaxis [1] [2] Causes: Type I hypersensitivity [3] Risk factors: Childhood in Middle East, where sesame is a traditional food, and increasingly in developed ...