a state of inflammation or painful reaction to allergy or cell-lining damage.
A things or person that annoys
A condition of morbid excitability or oversensitiveness of an organ or part of the body; a state in which the application of ordinary stimuli produces pain or excessive or vitiated action.
The state of being irritated
The act of irritating or annoying
A toxin that has had its toxic properties removed, but retains its ability to generate an immune response.