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Signs include:Abormal heart rhythm (arrhythmia)Fluid in the lungs (pulmonary edema)HivesLow blood pressureMental confusionRapid pulseSkin that is blue from lack of oxygen or pale from shockSwelling (angioedema) in the throat that may be severe eno...
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Skin testing can also be done, but with care. Food challenges should be avoided.Sometimes, the offending allergen is not readily apparent, and the diagnosis of anaphylaxis could be over-looked.
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Anaphylaxis is diagnosed based on the rapid development of symptoms in response to a suspect allergen. Identification of the culprit may be done with RAST testing, a blood test that identifies IgE reactions to specific allergens.
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A child having an anaphylactic reaction will exhibit typical symptoms of anaphylaxis, such as hives and swelling of the eyes or face, blue skin from lack of oxygen, or pale skin from shock. The airway may be blocked, and the child may be wheezing ...
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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.
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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.
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