How to Live With an Allergy to Seafood

The easiest way to live with an allergy to seafood is to avoid eating any type of fish, especially shellfish. However further precautions are recommended because certain contents of marine organisms can become airborne when cooked. Allergy medication may be needed for those who suffer from extreme allergies to seafood.


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    Check for the following symptoms that can indicate that you are allergic to seafood.
    • Itchy skin, eczema or hives and bumps on your skin
    • Swollen face, lips, throat or tongue
    • Breathing problems related to nasal congestion or wheezing
    • Stomach aches
    • Nausea
    • Digestive problems leading to diarrhea or vomiting
    • Feeling dizzy or as if you are about to faint
    • Tingles in your mouth
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    Seek immediate medical attention if you experience any of the following severe symptoms that indicate anaphylactic attack.
    • Swelling or lumpy throat that is restricting your breathing passage.
    • Shock attack with sudden decrease in blood pressure.
    • Fast pulse.
    • Fainting or getting extremely dizzy.
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    Refrain from eating anything belonging to the Crustaceans family. For example, don't eat anything containing crabs, crayfish, lobster, prawns or shrimp.
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    Avoid eating mollusks, since these contain high amounts of protein that triggers allergic symptoms. There are 3 main categories of mollusks that you must avoid.
    • Bivalves: examples include clams, mussels, oysters and scallops).
    • Gastropods: examples include abalone, escargot (snails), limpets and periwinkles.
    • Cephalopods: examples include cuttlefish, octopus and squid.
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    Find out what you are most allergic to. You may be more or less allergy to certain types of seafood. Doctors can perform medical tests to inform you about which seafood categories you must avoid most.
    • Skin test: in a skin test the doctor will prick your skin after exposing it to different sources of protein. A bump in your skin will indicate that you are allergic and the size of the bump shows your sensitivity to that protein source.
    • Blood test: a sample of your blood can be tested in a medical laboratory to measure your sensitive to different shellfish protein sources.
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    Be careful when dining out. The air, oil or cutlery at a restaurant may contain proteins from seafood even if you order a meal that does not contain seafood.
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    Take medication if your allergy worsens or if you come into contact with seafood items by mistake.
    • Antihistamines can be taken if you experience light itchiness or other mild reactions to seafood. Antihistamines are generally very effective for reducing discomfort and preventing early symptoms from worsening.
    • Take the emergency epinephrine injection if you experience severe seafood allergy symptoms. This releases adrenaline in your body that helps it fight against the allergy attack. Administer the injection in the presence of a health care professional if possible.


  • Consult with a doctor if you notice the typical symptoms of seafood allergy after eating seafood. Since allergic reactions occur very quickly this is a strong indication that you are allergic to seafood.


  • Many allergies attack the immune system making your body weak and reducing the effectiveness of allergy medication. Precaution is the best solution in order to live with an allergy to seafood because it can be difficult to fight the allergy after it has taken effect.

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Categories: Allergies and Immunization