An allergic response is a hypersensitive immune reaction to a substance that normally is harmless or would not cause an immune response in everyone. An allergic response may cause harmful symptoms such as itching or inflammation or tissue injury.
... to allergens (substances that trigger an immune response) ... nose, gastrointestinal tract, skin or lungs) to produce symptoms of an allergic reaction ... The allergic response is not limited to a certain amount of exposure ...
Famous quotes containing the word response:
“Parents accepting attitudes can help children learn to be open and tolerant. Parents can explain unfamiliar behavior or physical handicaps and show children that the appropriate response to differences should be interest rather than revulsion.”
—Dian G. Smith (20th century)