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Doctor insights on: Crab Allergy

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What are softshell crab allergy symptoms?

What are softshell crab allergy symptoms?

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

Dr. John Chiu
2,491 doctors shared insights

Allergies (Definition)

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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What can cause crab allergies?

Depends: Crab allergy is a shellfish allergy and can develop at any time during adulthood. Why some adults can consume crabs their entire life without any problems and others can go on to develop symptoms is unknown. Shellfish allergy is a common adult allergen and symptoms can vary from one accidental exposure to the next so avoidance once symptoms develop is the best way to manage. ...Read more

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What are softshell crab allergy symptoms?

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

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What would be hermit crab allergy symptoms?

What would be hermit crab allergy symptoms?

When exposed to : Hermit crab meat, you would experience any of these symptoms -hives -swelling -itching -nausea/vomiting -chest tightness -wheezing -shortness of breath -light-headedness -a sudden sense of doom. ...Read more

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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

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What can cause crab allergies?

Depends: Crab allergy is a shellfish allergy and can develop at any time during adulthood. Why some adults can consume crabs their entire life without any problems and others can go on to develop symptoms is unknown. Shellfish allergy is a common adult allergen and symptoms can vary from one accidental exposure to the next so avoidance once symptoms develop is the best way to manage. ...Read more

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Have eaten softshell crabs and crabcakes for years. Tell me please what causes crab allergies?

Have eaten softshell crabs and crabcakes for years. Tell me please what causes crab allergies?

Shellfish protein: The part of the crab (or shellfish) that most commonly leads to allergy is the protein found in the food. I would recommend skin testing to crab and other shellfish at an allergist's office. ...Read more

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Can crab allergies cause headaches?

Can crab allergies cause headaches?

Possibly: Allergic reactions to food usually result in hives, itching, breathing problems, throat swelling or GI symptoms but could include headache. Some foods commonly trigger headaches in migraine suffered such as chocolate or aged cheese. These are not true food allergies. ...Read more

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What causes crab allergies? Shrimp allergy?

What causes crab allergies? Shrimp allergy?

Muscle protein: The allergen in shrimp and crab is probably a common allergen called tropomyosin which is a muscle protein. ...Read more