Crab

The Crab test is a blood test that detects specific immunoglobulin E (IgE) antibodies against crab proteins (antigens). This test is crucial for identifying crab and crab-related allergies.

Crab, a popular seafood delicacy, is rich in protein and nutrients but can trigger allergic reactions in certain individuals. While seafood allergies are relatively common, crab allergies can lead to symptoms like mild rashes, stomach issues, or even severe reactions like anaphylaxis. In individuals with a crab allergy, the immune system mistakenly identifies proteins found in crabs as harmful invaders, prompting the production of IgE antibodies. The Crab test detects these IgE antibodies, offering important insights into the body's immune response to crab.

Doctors may recommend this test for individuals who experience symptoms such as skin rashes, swelling, abdominal pain, or difficulty in breathing after consuming crabs. It is especially helpful for people with a family history of food allergies or asthma, who are at an increased risk of developing a shellfish allergy. Additionally, the test can help differentiate between a crab allergy and other food sensitivities or intolerances, providing an accurate diagnosis.

A positive test result means that an individual is allergic to crab and should avoid them to prevent reactions. A negative result means there is no allergy to crab, but further testing may be needed if symptoms persist.

No special preparation is required for this test. However, it is important to inform the doctor about any medications or supplements being taken, as they could influence the test results. The results may vary depending on the specific test kit used, so it’s important for healthcare providers to interpret the results in conjunction with the symptoms and medical history.