What are the symptoms of a shellfish allergy?

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.

Related Questions

What symptoms indicate a severe shellfish allergy?

Multiple symptoms. After exposure to or ingestion of shellfish, you would experience any combination of the following symptoms: shortness of breath, cough, wheeze, chest tightness, vomiting, diarrhea, hives, swelling of the lips/tongue, throat discomfort, etc. Read more...

What are the symptoms of shellfish or crab allergy?

A variety! Depending on the patient, food allergy symptoms can include:itchy mouth/throat, facial &/or airway swelling, difficulty breathing or talking, cough, wheeze, nausea, vomiting, diarrhea (can be bloody), flushing, hives, eye redness, itch, &/or swelling, runny, itchy, &/or stuffy nose, sneezing, abdominal pain, feeling of impending doom and even shock or cardiac arrest! Read more...

Shellfish allergy symptoms are usually what kind?

Oral, cutaneous. Shellfish reaction typically start with itching and burning of the mouth and throat followed by hives. Severe cases an involve significant tongue swelling, throat closure, and wheezing. Read more...

I have a shellfish allergy. But recently I've noticed when I eat desserts or fruits I have similar symptoms as the shellfish allergy. What is it?

Depends. What are the symptoms of shellfish allergy. It does not sound like full-blown anaphylaxis with the deserts (or you are remarkably cavalier). Oral itching or even swelling can occur with nuts or fruits contained in the deserts. If these are the only symptoms, could be oral allergy syndrome (or pollen-food syndrome). Allergens usually labile so as not to produce "full-blown" food allergy. Read more...