How is allergy diagnosed
Answers
The diagnosis of allergies, or allergic disease, is based on a combination of the person’s clinical history, family history, physical examination, skin tests and laboratory tests. These tests serve to confirm the diagnosis of allergic disease and to identify potential allergic triggers, knowledge that is useful to guide allergen avoidance strategies.
Your doctor uses the following information to make a diagnosis of allergy:
History: The diagnosis of allergy begins with a clinical history. Your doctor will ask questions about your general health and then will focus on allergies and conditions that commonly coexist with allergic disorders, such as asthma and eczema (atopic dermatitis). Your doctor will need to know all the symptoms that are troubling you.
Family History: Your doctor will ask you whether any of your close relatives have allergic symptoms and whether they have been diagnosed with an allergic disorder such as asthma, hay fever or eczema, or allergic sensitivity to foods or medications.
Physical Exam: Your doctor will perform a complete physical exam with special emphasis on your eyes, ears, nose, throat, chest and skin.
Allergy Tests: Allergy tests will likely be performed to determine whether you are allergic and what you are allergic to. Skin tests are carried out by applying drops of allergens to your skin and then scratching or pricking though them. Blood tests may also be performed to evaluate for the presence of sensitizing antibodies.
Reasons to See an Allergy Expert
Many people with allergies see a primary care doctor for allergy care. You may choose to visit a board-certified allergist, which is a doctor who specializes in allergies, for your allergy testing and treatment. Here are a few reasons for seeing an allergy specialist:
Your regular doctor refers you to an expert for specialized tests.
Your symptoms interfere with your daily activities.
Your symptoms are getting worse.
You are concerned about side effects of medicine.
You are interested in different types of therapies to treat your symptom
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