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Definition of Irritants
1. irritant [n] - See also: irritant
Medical Definition of Irritants
1. Drugs that act locally on cutaneous or mucosal surfaces to produce inflammation; those that cause redness due to hyperaemia are rubefacients; those that raise blisters are vesicants and those that penetrate sebaceous glands and cause abscesses are pustulants; tear gases and mustard gases are also irritants. (12 Dec 1998)