Allergies can be described as an exaggerated reaction of the immune system to a foreign substance. This is a hypersensitive reaction that only those with allergic conditions will experience. People who have an allergy to a substance or allergen can develop an allergic reaction. Your body can react to substances that are not harmful to you, and this is known as an allergic reaction or atopic. Allergy tests are suitable for both children and adults, as allergic reactions can occur at any age.
There are two types of allergy testing: a skin test or a blood test. A specialist in allergies will usually guide you through the testing process. They are trained in both the best ways to identify allergies and the most effective methods of treating them.
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The first form of skin testing is where a sample of an allergen is removed from the skin's surface. The test is typically done on the back or forearm. Multiple allergens can be tested simultaneously. You may develop swelling and redness around the test site if you are allergic to that particular test.
If the patient is taking medication that could affect skin testing or has severe skin conditions like eczema, then the second type of allergy testing, blood testing, can be used. As single needle sticks are more effective than multiple skin tests, blood testing can also be used for babies and young children. A blood test is more time-consuming than a skin test. The sample must be analyzed in a laboratory. However, it is more expensive to administer than skin tests.
Each test has its own advantages and disadvantages. The test results alone will not be enough to diagnose allergies. All tests, regardless of their type, should be combined with the patient's medical history.