Yes, you can test for milk allergy. Several methods are available to diagnose a milk allergy.
Here's how milk allergy testing typically works:
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Skin Prick Test: A small amount of a liquid containing milk protein (the allergen) is placed on your skin, usually on your forearm or back. The skin is then pricked, allowing the liquid to enter.
- Positive Result: If you're allergic, a raised, itchy, red bump will appear at the site within about 15-20 minutes.
- How it works: This test checks for an immediate allergic reaction.
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Blood Test (Specific IgE Test): A blood sample is taken and tested for the presence of specific IgE antibodies to milk proteins.
- Positive Result: High levels of these antibodies suggest a milk allergy.
- How it works: This test measures your body's immune response to milk proteins.
It's important to note:
- These tests are most accurate when interpreted by an allergist or qualified healthcare professional.
- A positive test doesn't always mean you're allergic; clinical symptoms need to be considered.
- In some cases, an oral food challenge, where you are given small amounts of milk under medical supervision, may be necessary to confirm the diagnosis.