Fast Five Quiz: Common Skin Conditions

William James, MD


May 20, 2019

According to the Joint Task Force on Practice Parameters, allergic contact dermatitis should be suspected and evaluated in patients with both generalized and anatomically localized skin eruptions.

Patch testing is the criterion standard to confirm the diagnosis of suspected allergic contact dermatitis. The greatest quality-of-life benefits from patch testing occur in patients with recurrent or chronic allergic contact dermatitis. Patch testing is most cost-effective and reduces the cost of therapy in patients with severe allergic contact dermatitis, and it remains the criterion standard for the diagnosis of allergic contact dermatitis in children.

In vitro tests for delayed hypersensitivity to contact allergens are available, but routine use of such assays is not recommended due to unclear sensitivity and specificity for the diagnosis of allergic contact dermatitis.

Read more about allergic contact dermatitis.


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