Why Do I Feel Sick After Getting Allergy Tested?

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Definition

Serum sickness is a reaction similar to an allergy. Specifically, it is an immune system reaction to certain medications, injected proteins used to treat immune conditions, or antiserum, the liquid part of blood that contains antibodies that help protect against infectious or poisonous substances.

See also: Immune response


Causes, incidence, and risk factors

Plasma is the clear fluid portion of blood. It does not contain blood cells, but it does contain many proteins, including...

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