What is Irritation?
[[File:BenzoperoxideRx.JPG|thumb|alt=|upright|This person has irritated skin for using a product that she is allergic to.]] '''Irritation''' in [[biology]] is a state of [[inflammation]] or [[pain]]ful reaction to [[allergy]] or [[cell]] damage. The skin and the eyes may turn [[red]]. ==Related pages== * [[Itch]] {{biology-stub}} [[Category:Physiology]]