When the immune system overreacts to a normal, non-harmful antigen as in the case of allergies, what type of immune disorder is this called?

The immune system is usually regarded as a complicated collection of cells and proteins molecules that fight infection or disease in the body. The immune system reports on the basis of every germ or microbe it has ever eliminated so it can rapidly recognize and eliminate the microbe if it resurfaces in the body.

immune system abnormalities include but are not limited to:

When the immune system overreacts towards harmless and normal antigens as in the case of allergies:

Thus, we can conclude that when the immune system overreacts to a normal, non-harmful antigen; the type of the immune disorder is called allergy.

Learn more about the Immune system here:

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