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Only if the person is already allergic to that antigen. Not if they are immune to the antigen. The word antigen refers to the protein that joins with the antibody. If the antibody is of the allergic type (IgE) then an allergic reaction will happen and if the antibody is of the immune type (IgG, IgM or IgA) then there won't be an allergic reaction.

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Q: Does an antigen cause an allergic reaction?
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Is a burn a allergic reaction to heat?

No. An allergic reaction is the body's way of responding to a foreign substance, or an antigen.


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Anaphylaxis is a life-threatening, acute allergic reaction to an antigen.


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Anything can cause an allergic reaction. So, yes fluconazole can cause an allergic reaction, though it is not common.


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An allergic reaction i believe.


Does a person get sick every time exposed to an antigen?

No. You are exposed to antigens all day every day. If you are allergic to the antigen then you may have an allergic reaction or not depending on a lot of factors such as the manner of exposure and the level.


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an allergic reaction


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Yes , dandelions can cause an allergic reaction , but not for everybody


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What is a substance that induces an immune response?

This substance has a general name called an antigen.