What is a transfusion reaction?

Many different health conditions require the patient to need blood transfusion, ie in donated blood is donated to individuals. In rare cases, a transfusion reaction may occur - when the body's immune system attacks new cells -. This undesirable reaction usually occurs when transfused blood is somehow incompatible with its own patient. Symptoms of transfusion reactions often begin rapidly and include pain, fever, chills, rash, urine blood and dizziness or fainting; In rare cases there are more serious problems. The treatment varies depending on the severity of the reaction and usually focus on solving symptoms. In rare cases, the patient may receive blood that is incompatible with its own or has an allergic reaction to new cells. There is a transfusion reaction when transfused blood contains substances called antigens against which the patient already has antibodies. These antigens may be caused by the blood type, presence or lack of factor RH marked as afterby a tight or negative or other proteins found in the blood. When these antigens come into contact with the patient's immune system, the antibodies that are present start an immune response that attacks new cells because they are considered foreign attacking pathogens.

immune responses to transfused blood can cause the extent of symptoms that often begin very quickly, but in some cases they can be delayed for up to several days. Symptoms of transfusion reactions often begin before the transfusion is completed and requires treatment to stop immediately. Symptoms include side or back pain, fever, chills and dizziness or fainting. You can usually find blood in urine and allergic symptoms such as rash, often occur. Depending on the severity of the reaction symptoms, it may remain smaller; In some cases, however, the condition of patients is getting worse, which may lead to renal failure, shock and anemia.

Treatment of transfusion reaction usually focuses on patient symptoms. Medicines such as acetaminophen can reduce fever and pain, while corticosteroid drugs can reduce the immune response. Antihistamines are used to treat the allergic part of symptoms such as a rash. Intravenous fluids and medicines are used to treat more serious symptoms, including kidney and shock failure. Mild cases of transfusion reactions may be resolved with time in themselves, and patients usually cause complete recovery from more serious and thorough treatment problems.