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Allergy, Crab in Ram Mandir East, Mumbai

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  • ALLERGY, CRAB

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*Optional Tests: Testing of these is conditional depending on results of other tests

About

blood sample
SAMPLE TYPE

BLOOD

Gender
GENDER

Both

users
AGE GROUP

7 years & above

People who consume sea foods, especially crustaceans, may experience crab allergy at some point of time. It is one of the most common adult food allergies that generally exhibits symptoms in adulthood.

The symptoms may occur a lot later after consuming the allergen. Moreover, the symptoms may become severe with every exposure.

Crab allergy often evokes the immune system's response to tropomyosin, a protein in crustacean muscles. The antibodies cause the release of histamines, a chemical that attacks tropomyosin. The release of histamine leads to many symptoms ranging from mild to fatal.

A person with crab allergy may experience the following symptoms a few minutes after consuming a crustacean:

  • Abdominal pain
  • Tingling in the mouth
  • Diarrhoea and vomiting
  • Nausea
  • Trouble breathing
  • Wheezing and congestion
  • Swelling of the lips, face, throat, tongue, fingers, ears and hands
  • Skin reactions like hives, itching and eczema
  • Dizziness and lightheadedness
  • Fainting

In severe cases, a life-threatening allergic reaction called anaphylaxis may occur. If such an anaphylactic reaction appears, then immediate medical attention is required. Symptoms of anaphylactic responses include:

  • Rapid pulse
  • Severe drop in the blood pressure or shock
  • A lump in the throat or swollen throat leading to difficulty in breathing
  • Loss of consciousness
  • Extreme dizziness

There is no known cure for crab allergy. However, avoiding crab and other seafoods can help you prevent the allergic reaction. Also, you will likely display allergic symptoms for other crustaceans and shellfishes like shrimp, crayfish, prawns and lobster. So, try not to consume any of it.

If you suffer from a severe allergy, avoiding seafood is the best option. Many healthcare practitioners also recommend keeping epinephrine like an EpiPen in the case for immediate relief. It's the primary treatment for anaphylactic reactions. Antihistamines like Benadryl are recommended if you have mild allergic reactions, such as itchiness and rash.

If the symptoms continue to persist or worsen, make sure to seek immediate medical attention. 
If you suspect you are suffering from a crab allergy, you can avail of a crab allergy test. Getting this test will help:

  • Determine whether you have a crab allergy or not
  • Detect the severity of the allergy
  • Devise an effective treatment plan

You can book your crab allergy test today at Apollo 24|7. It offers effortless, quick and at-home comfortable testing!
 

faqFrequently Asked Questions (FAQs)

What is a crab allergy?

A crab allergy is an extension of a shellfish allergy. It will lead to unpleasant symptoms like wheezing, coughing, confusion, dizziness, fainting, swelling of the throat and tongue, etc. If you are allergic to crab, you may also be allergic to other types of shellfish – crustaceans and molluscs like shrimp, lobster, clams, oysters, etc.

Is there any difference between crab intolerance and crab allergy?

There is a significant difference between crab allergy and crab intolerance. If you have crab intolerance, you may experience uncomfortable signs and symptoms. But, if you have a crab allergy, it could potentially cause a severe threat to your life and health.

Is iodine allergy related to crab allergy?

People often confuse iodine allergy with crab or shellfish allergy. It’s because crabs and other shellfishes contain iodine. That does not necessarily make you allergic to iodine, though. So, the two allergies are unrelated, and you don't have to worry that you might also be allergic to iodine if you have a crab allergy.

What kinds of tests help diagnose crab allergy?

First, your doctor will pose specific questions to understand the history of your symptoms. Then, they may order one of the two following tests to confirm the allergy diagnosis: Blood test: It will help detect the particular allergy Skin prick test: This test requires allergen to be put on your skin and waiting to see if it itches. If the allergen drops seep into the skin and an itchy bump appears within 15-30 minutes, it will indicate the crab allergy.

When should you use the EpiPen?

EpiPen is epinephrine which helps offer immediate relief in cases of severe allergy symptoms like closing up of the throat and breathlessness. Use it if you notice: Coughing, shortness of breath, hives, weak pulse, trouble breathing, throat tightness Combination of different symptoms appearing in other body parts, such as swelling and hives along with diarrhoea and vomiting

Is there any way to cure crab allergy?

No. If you have a crab allergy, it will persist for the rest of your life. It does not fade away with time.

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The information mentioned above is meant for educational purposes only and should not be taken as a substitute to your Physician’s advice. It is highly recommended that the customer consults with a qualified healthcare professional to interpret test results