Suspcious of Seafood Allergies? We Can Help
Shellfish Allergy Symptoms, Causes, and When to See a Doctor in New Orleans
Dr. Reena Mehta is a board-certified allergist that can help you identify and navigate shellfish allergies in New Orleans, LA.
“Dr. Mehta has a great bedside manner and is great with our daughter. She helped us navigate the most up to date treatment options for food allergies in our 9 month old and dedicated one on one attention to us that went above and beyond the norm. She is professional and kind and has a genuine care for her patients. Highly recommend!“
– Parker Valergo, 2019
Shellfish allergy is a type of seafood allergy. It occurs when the body produces an immunological response to tropomyosin and other muscle proteins found in shellfish. Shrimp, crab, and lobster are crustacea, and they cause most shellfish reactions. Mollusks such as clams, mussels, oysters, and scallops can also cause shellfish allergy, but allergies to mollusks are less prevalent compared to allergies to crustacea.
Shellfish allergy is an immunoglobulin E (IgE) antibody-mediated allergy. This means that when you ingest shellfish, your immune system overreacts by producing IgE antibodies which bind to mast cells. Once the shellfish protein allergen binds to the IgE antibody on the mast cell, the mast cell will release histamines that trigger allergy symptoms.
- Urticaria (hives), an itchy rash of raised, red spots on the skin
- Angioedema, or swelling under the skin
- Anaphylaxis, which is when multiple body systems produce a significant immune response causing a rapid drop in blood pressure and possible circulatory shock that is life-threatening
- GI symptoms such as nausea, vomiting, cramping, and diarrhea
- Lightheadedness and fainting
- Calamari and squid
- Clam chowder
- Lobster bisque
- Crab dip and crab cakes
- Imitation crab meat
- Crawfish boil
- Creole or Cajun gumbo
- Oyster sauce found in Asian cuisine
- Cocktail shrimp and shrimp scampi
- Fish oil supplements (may contain trace amounts of shellfish proteins)
Skin & Blood Tests
A blood test can measure the amount of IgE antibody circulating in the blood in reaction to the shellfish allergen versus other types of allergens. High levels of circulating IgE can indicate allergic reaction.
Elimination Diet and Oral Food Challenge
Shellfish Allergy and Iodine
Shellfish Allergy and Glucosamine
Shellfish Allergy and Collagen
See a Shellfish Allergy Doctor in New Orleans
Suspicious of shellfish allergy? We can help. Allergist Doctor Mehta has a reputation for developing strong relationships with her patients and being exceptionally attentive to their needs and concerns.
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Saturday appointments available upon request.
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