Determine whether the manifestations listed are present in irritant, allergic, or atopic dermatitis and identify the key manifestations for each dermatitis. The manifestations may be present in more than one type of dermatitis.

All students should complete the chart here. When learning skin disorders, it is important to note how different diagnoses/conditions appear on different skin tones. Note: All case studies are provided as a learning tool for students who wish to have them.

Irritant, allergic, and a topic dermatitis have similar clinical manifestations. Recognizing similarities and differences may aid in determining diagnosis. In this activity, determine whether the manifestations listed are present in irritant, allergic, or atopic dermatitis and identify the key manifestations for each dermatitis. The manifestations may be present in more than one type of dermatitis.

Use this key:  + Indicates manifestation present  ++ indicates a key manifestation   Type of Dermatitis	Irritant	Allergic	Atopic
General manifestations
Pain
Pruritus
Xerosis
Erythema
Edema
Appearance immediately after exposure
Delay of manifestation after exposure
Vesicles
Papules
Crusting
Lichenification
Fissuring
Well-demarcated lesions
Lesions confined to one area
Lesions affecting multiple areas