Doctor insights on:
What Is The Difference Between Oral Allergy Syndrome And Shellfish Allergy
IgE mediated: Allergic reactions that are type i are mediated by the allergic antibody ige. That means they can be diagnosed using a skin or blood test for ige. They are immediate reactions with symptoms occurring within minutes to hours after exposure. Symptoms can be hives, swelling, anaphylaxis, asthma, etc. ...Read moreSee 1 more doctor answer
A shellfish allergy is an exaggerated immune response due to exposure to shellfish protein. The reaction can present with typical symptoms of hives, respiratory symptoms (cough, wheeze, shortness of breath), GI symptoms (abdominal pain, vomiting), swelling, loss of consciousness, and can be fatal. Symptoms typically present within minutes to a couple hours ...Read more
Epinephrine: For severe shellfish allergy, only injectable Epinephrine for reactions is a reliable treatment. Some people with very mild allergies can use antihistamines alone, but everyone should have Epinephrine available. Unfortunately, there are no drugs that will prevent or resolve a food allergy so you can eat the food without risk, although this is an active area of research. ...Read moreSee 1 more doctor answer
Oral and Stomach: Typically shellfish allergy would cause itching, burning, stinging and/ or swelling of the mouth, tongue, or lips. It may also cause stomach upset such as nausea, vomiting, cramping and possibly diarrhea. In some cases, it may cause a rash, shortness of breath, wheezing, coughing, and drop in blood pressure, or in severe cases death. ...Read more
Positive or Negative: A positive skin or blood test for allergy to shellfish is enough evidence to diagnose an allergy if you have a convincing history of allergic reaction to shellfish. If the history is inconclusive, a blinded food challenge can be performed to help confirm the diagnosis. If you are diagnosed with shellfish allergy, you are at risk of a life threatening reaction. There is no test for severity. ...Read moreSee 2 more doctor answers
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Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more
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