Allergic reactions are relatively common. They may range from minor reactions to life-threatening anaphylactic reactions.
Clinical features of mild to moderate allergic reactions:
(1) absence of fever (afebrile)
(2) one or more of the findings in the table below
(3) reduction in symptoms after therapy with an allergy medications
urticaria, pruritic rash, flushing, angioedema
cough, wheezing, stridor, dyspnea, chest tightness, chest pain, hoarseness
nausea, vomiting, abdominal cramps, diarrhea
tachycardia, cardiac arrhythmias
• A patient may experience more than one type of transfusion reaction at one time (mixed reaction).
(1) allergic reaction to a concurrent medication
(2) allergic reaction to a chemical used to sterilize tubing
(4) febrile transfusion reaction
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Specialty: Clinical Laboratory