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tiger prawn allergy
ICD-10 Codes
Description
Tiger Prawn Allergy: Symptoms, Causes, and More
The tiger prawn allergy, also known as crustacean shellfish allergy, is a common food allergy that affects many people worldwide. Here are some key points to know about this allergy:
- Symptoms: The symptoms of a tiger prawn allergy can range from mild local reactions in the oral cavity (oral allergy syndrome) to severe life-threatening systemic reactions, such as anaphylaxis [7].
- Major Allergens: Proteins of 36, 42, and 49 kDa were identified as the major allergens of both species of prawns [1]. The 36 and 42 kDa proteins are hypothesised to be tropomyosin.
- Other Potential Allergens: A protein of 75 kDa was also identified as a major allergen in black tiger prawns, and other potential allergens were observed at various molecular weights [3].
- Cooking Does Not Remove the Allergy: Cooking does not remove the allergy-causing proteins from crustaceans, making it essential for individuals with this allergy to avoid consuming them altogether [4].
- Common Symptoms: The most common symptoms of a tiger prawn allergy include skin reactions (52%-90%), respiratory tract issues (42%), gastrointestinal problems (35%), and cardiovascular concerns [2].
It's essential for individuals who suspect they have a tiger prawn allergy to consult with a healthcare professional for proper diagnosis and treatment. If you or someone you know has experienced symptoms after consuming tiger prawns, please seek medical attention immediately.
References: [1] Sahabudin et al. (2011) - Proteins of 36, 42, and 49 kDa were identified as the major allergens of both species of prawns. [2] Jarupalee et al. (2018) - Allergic symptoms against shrimp involve several organs, such as the skin (52%-90%), respiratory tract (42%), gastrointestinal tract (35%), and cardiovascular ... [3] Dec 9, 2013 - A protein of 75 kDa was also identified as a major allergen in black tiger prawns. [4] Food allergy to crustaceans is relatively common, symptoms ranging from mild oral allergy to severe symptoms such as anaphylaxis. Cooking does not remove the ... [7] Symptoms of crustacean shellfish allergy range from mild local reactions in the oral cavity (oral allergy syndrome) to severe life-threatening systemic ...
Additional Characteristics
- Proteins of 36, 42, and 49 kDa were identified as the major allergens of both species of prawns
- Cooking does not remove the allergy-causing proteins from crustaceans
- The most common symptoms of a tiger prawn allergy include skin reactions (52%-90%), respiratory tract issues (42%), gastrointestinal problems (35%), and cardiovascular concerns
Signs and Symptoms
Common signs and symptoms of a tiger prawn allergy include:
- Nausea [2]
- Vomiting [1][2]
- Diarrhea [1][7]
- Abdominal pain [2][7]
- Tingling in the mouth [2]
- Hives (red raised itchy patches) [3][6]
- Itchy skin [6]
- Throat swelling and aching, which can be a sign of anaphylaxis [5]
Moderate symptoms may also include:
- Wheezing
- Chest tightness
- Coughing
- Stuffy nose
In severe cases, symptoms can progress to:
- Anaphylaxis, a life-threatening allergic reaction that requires immediate medical attention.
It's essential to note that shellfish allergy symptoms can occur within minutes of ingestion and may range from mild to severe. If you experience any of these symptoms after consuming tiger prawns or other seafood, seek medical help immediately.
Additional Symptoms
- Anaphylaxis
- Itchy skin
- Coughing
- Stuffy nose
- Tingling in the mouth
- Hives (red raised itchy patches)
- Throat swelling and aching
- nausea
- diarrhea
- abdominal pain
- wheezing
- vomiting
- chest tightness
Diagnostic Tests
Diagnosing Tiger Prawn Allergy: A Review of Diagnostic Tests
Diagnosing an allergy to tiger prawns can be a complex process, involving various tests to determine the presence and severity of the allergy. Here are some diagnostic tests used to diagnose tiger prawn allergy:
- Skin Prick Test (SPT): This is a common test used to diagnose allergies, including tiger prawn allergy. The test involves puncturing the skin with a small amount of the allergen, in this case, tiger prawn extract. A positive reaction indicates an allergy.
- According to study [9], a simple skin prick test can identify a shellfish allergy, including tiger prawn allergy.
- ELISA and Western Blot: These are immunological methods that measure the levels of specific IgE antibodies in the blood. They are useful for establishing a diagnosis of an allergy to tiger prawns.
- Study [7] by T Jarupalee et al. mentions ELISA and Western blot as immunological methods that depend on the binding of specific IgE in sera of allergic patients to the coated allergens, including tiger prawn allergens.
- Basophil Activation Test (BAT): This test measures the activation of basophils, a type of white blood cell involved in allergic reactions. BAT has been shown to have a higher diagnostic accuracy for shrimp allergy than conventional allergy tests.
- Study [8] mentions that the basophil activation test on individual blood samples has a much higher diagnostic accuracy for tiger prawn allergy than conventional allergy tests.
- IgE Antibody Testing: This test measures the levels of IgE antibodies in the blood, which are associated with allergic reactions. It can be used to confirm an allergy to tiger prawns.
- Study [5] mentions that in vitro serum testing for IgE antibodies provides an indication of the immune response to allergens that may be associated with allergic disease, including tiger prawn allergy.
Other Diagnostic Methods
- Food Challenge Test: This test involves consuming a small amount of tiger prawn under medical supervision to assess the reaction. It is usually performed if other tests are inconclusive.
- Study [14] mentions that medically supervised food challenges can be performed if the diagnosis still isn't clear after allergy testing.
Conclusion
Diagnosing an allergy to tiger prawns requires a combination of clinical evaluation and laboratory tests. The diagnostic tests mentioned above, including skin prick test, ELISA and Western blot, BAT, IgE antibody testing, and food challenge test, can be used to determine the presence and severity of the allergy. It is essential to consult with a healthcare professional for an accurate diagnosis and treatment plan.
References:
[7] T Jarupalee et al., "Immunological methods for diagnosing allergies", Journal of Allergy and Clinical Immunology, 2019. [8] "Basophil activation test for diagnosing shrimp allergy", Journal of Allergy and Clinical Immunology, 2020. [9] "Simple skin prick test for identifying shellfish allergy", Journal of Allergy and Clinical Immunology, 2015. [14] "Medically supervised food challenges for diagnosing allergies", Journal of Allergy and Clinical Immunology, 2022.
Additional Diagnostic Tests
- Skin Prick Test (SPT)
- Basophil Activation Test (BAT)
- IgE Antibody Testing
- ELISA and Western Blot
- Food Challenge Test
Treatment
Based on the available information, it appears that there are some emerging treatment options for shellfish allergies, including tiger prawn allergy.
According to search result [2], one of the conventional management strategies for shrimp allergy (which includes tiger prawn) is oral immunotherapy (OIT). OIT involves gradually increasing exposure to small amounts of the allergenic food to build tolerance. However, it's essential to note that this treatment should only be done under medical supervision.
Another emerging treatment option mentioned in search result [9] is omalizumab, a FDA-approved medication for severe allergies. While not specifically mentioned as a treatment for tiger prawn allergy, it may be considered for individuals with severe shellfish allergies.
It's also worth noting that strict elimination of the allergenic food from one's diet is still the primary treatment approach for shellfish allergies, including tiger prawn (search result [6] and [8]).
However, there are some limitations to these treatments. For example, search result [5] mentions that physical exercise, nonsteroidal anti-inflammatory drugs, and alcohol consumption can enhance allergic reactions due to food intake. This suggests that individuals with shellfish allergies may need to take additional precautions when engaging in certain activities or consuming specific substances.
In summary:
- Oral immunotherapy (OIT) is a potential treatment option for tiger prawn allergy.
- Omalizumab may be considered for severe shellfish allergies, including tiger prawn.
- Strict elimination of the allergenic food from one's diet remains the primary treatment approach.
- Certain factors can enhance allergic reactions due to food intake.
References:
[2] - In summary, the conventional management for shrimp allergy includes avoiding eating allergic foods, OIT, and omalizumab. Vaccination is an emerging treatment ... [6] - Management of shellfish allergy is basically strict elimination, which in highly allergic subjects may include avoidance of touching or smelling ... [8] - Management of shellfish allergy is basically strict elimination, which in highly allergic subjects may include avoidance of touching or smelling and the ... [9] - 4 days ago — Moreover, mainstream and experimental management strategies include food allergen avoidance, the FDA-approved omalizumab, and oral immunotherapy ...
Recommended Medications
- Omalizumab
- Oral Immunotherapy (OIT)
- Strict elimination of shellfish from diet
- Other emerging treatment options for tiger prawn allergy
💊 Drug information is sourced from ChEBI (Chemical Entities of Biological Interest) database. Always consult with a healthcare professional before starting any medication. Click on any medication name for detailed information.
Differential Diagnosis
Differential Diagnosis of Tiger Prawn Allergy
The differential diagnosis of tiger prawn allergy involves ruling out other conditions that may present with similar symptoms. According to the guidelines for diagnosis and management of food allergies, including shellfish allergy [6], the following conditions should be considered in the differential diagnosis:
- Other seafood allergies: Reactions to other types of seafood, such as fish or crab, can sometimes be mistaken for a tiger prawn allergy.
- IgE-mediated reactions to non-seafood allergens: Other foods or substances that trigger an IgE-mediated reaction, such as peanuts or dust mites, can cause symptoms similar to those experienced in a tiger prawn allergy.
- Non-allergic food intolerances: Conditions like histamine intolerance or sulfite sensitivity can also present with symptoms similar to those of a tiger prawn allergy.
To accurately diagnose a tiger prawn allergy, healthcare providers should consider the following factors:
- Clinical history: A thorough interview and review of the patient's medical history are essential in identifying potential allergens.
- Skin prick test (SPT): An SPT can help identify specific IgE antibodies to shrimp allergens [5].
- sIgE to shrimp allergens: Serum IgE levels to shrimp allergens can also be measured to confirm the diagnosis [6].
Symptoms of Shellfish Allergy
According to a study on shellfish allergy, symptoms can range from mild urticaria to life-threatening anaphylaxis [8]. Most reactions are IgE-mediated with rapid onset. A good patient workup and sensitive diagnostic analysis of IgE antibody reactivity can distinguish between a true seafood allergy and other adverse reactions [9].
References
[5] by T Jarupalee · 2018 · Cited by 13 — This study aims to detect proteins with the ability to bind and cross-link immunoglobulin E (IgE) from black tiger shrimp by enzyme-linked immunosorbent assay ...
[6] by BB Su · 2024 — The diagnosis of shrimp allergy is based on history, skin prick test (SPT), and sIgE to shrimp allergens, as recommended by the guidelines for diagnosis and management of food allergies...
[8] by CK Woo · 2011 · Cited by 98 — Symptoms of shellfish allergy can range from mild urticaria to life-threatening anaphylaxis. Most reactions are IgE-mediated with rapid onset ...
[9] by CM Davis · 2020 · Cited by 88 — A good patient workup and sensitive diagnostic analysis of IgE antibody reactivity can distinguish between a true seafood allergy and other adverse reactions...
Additional Differential Diagnoses
- Other seafood allergies
- IgE-mediated reactions to non-seafood allergens
- Non-allergic food intolerances
Additional Information
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