Irritants

**Definition:** Drugs that act locally on cutaneous or mucosal surfaces to produce inflammation; those that cause redness due to hyperemia 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.

**Tree numbers:** - D27.720.400 - D27.888.569.300

**Synonyms:** - Irritant