Hives and itching are symptoms of which transfusion reaction?

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Prepare for the MT AAB Immunohematology Test with our engaging online quiz. Study with multiple-choice questions and detailed explanations. Boost your understanding and be exam-ready!

Multiple Choice

Hives and itching are symptoms of which transfusion reaction?

Explanation:
Hives and itching point to an allergic, urticarial transfusion reaction—an allergic response to proteins in the donor’s plasma. This reaction is typically non-hemolytic and presents with pruritus and urticaria (sometimes flushing), often occurring during or soon after the transfusion. It’s distinguished from other transfusion reactions by the absence of fever and the presence of itching and hives rather than respiratory distress or hypotension. Anaphylaxis would involve more severe symptoms like airway swelling and low blood pressure; cytokine release reactions usually cause fever and chills; TRALI presents with acute lung injury and respiratory distress.

Hives and itching point to an allergic, urticarial transfusion reaction—an allergic response to proteins in the donor’s plasma. This reaction is typically non-hemolytic and presents with pruritus and urticaria (sometimes flushing), often occurring during or soon after the transfusion. It’s distinguished from other transfusion reactions by the absence of fever and the presence of itching and hives rather than respiratory distress or hypotension. Anaphylaxis would involve more severe symptoms like airway swelling and low blood pressure; cytokine release reactions usually cause fever and chills; TRALI presents with acute lung injury and respiratory distress.

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