Contact dermatitis Flashcards
What is seen
dry, painful and pruritic skin rash. blistering and fissuring of the skin is seen
Where is it seen
commonly located on the hands in an asymmetrical distribution, usually more prevalent on the dominant hand.
Types of contact dermatitis
Irritant and allergic
What causes irritant
repeated exposure to an irritant such as metals, solvents or detergents - more common in those with compramise3d skin
Where does Irritant dermatitis present
Irritant Contact Dermatitis presents with a rash limited to the area of contact of the irritant. The rash often causes pain and a burning sensation
Where does allergic contact dermatitis occur
minority who have become sensitised to an allergen such as metals, rubber or plastics.
What is allergic contact dermatitis
type IV (delayed, cell mediated) hypersensitivity reaction.
How to diagnose allergic contact dermatitis
Patch test
How to manage allergic contact dermatitis
Management of Contact Dermatitis principally involves emollient creams and topical corticosteroids. Identification and avoidance of the irritant or allergen is required long term to prevent reoccurrence.