Atopy, nickel sensitivity, occupation, and clinical patterns in different types of hand dermatitis.

Background: The etiologic diagnosis of hand dermatitis (HD) is often difficult. Knowledge of the relationship between atopy and nickel sensitivity as risk factors for HD is limited.

Objective: To compare irritant contact dermatitis, allergic contact dermatitis, and dyshidrotic eczema relative to personal atopy, patch-testing results, occupation, and clinical patterns.