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An examination of the skin and face may show hives, rash, or angioedema (swelling of the lips, face, or tongue. Decreased blood pressure, wheezing, and other signs may indicate an anaphylactic reaction. Skin testing may confirm allergy to penicill...
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It is important to distinguish between an uncomfortable but mild side effect of a drug and an allergic reaction or sensitivity which could be life-threatening. A drug allergy or sensitivity most often is diagnosed by discontinuing the drug and obs...
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During a physical examination, a health care provider studies a patient's body to determine the presence or absence of physical problems. A typical physical examination includes: Inspection (looking at the body; Palpation (feeling the body with hands; Auscultation (listening to sounds; Percussion (producing sounds.
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Allergy tests may be of two general types. In vivo tests that measure the immune response to an agent called an allergen that induces an allergic (atopic) reaction, and in vitro tests that measure the antibodies that mediate an allergic response. Such antibodies are those of the immunoglobulin E class (IgE) which have epsilon heavy chains which attach to mast cells.
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Allergy tests indicate a person's allergic sensitivity to commonly encountered environmental substances.
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Allergy tests evaluate levels of allergic sensitivity to commonly encountered allergens, which may be foods, pollen, chemicals, or other substances in the environment.
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