blood disorders
Precautions and Adverse Reactions During Blood Transfusion
Allergic reactions
Symptoms of an allergic reaction include Itching , a widespread rash, swelling, dizziness, and headache. Less common symptoms are breathing difficulties, If an allergic reaction occurs, the transfusion is stopped and the person is given an antihistamine. More serious allergic reactions may be treated withhydrocortisoneor even withepinephrine. Treatments are available that allow transfusions to be given to people who previously had allergic reactions to them. People who have repeated, severe allergic reactions to donated blood may have to be given washed red blood cells. Washing the red blood cells removes components of the donor blood that may cause allergic reactions. Because White blood cells and 